Autonomous System details

AS51191

Core-Backbone GmbH · core-backbone.com

Germany

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AS51191 – Core-Backbone GmbH

Field	Value
Country	Germany
Website	core-backbone.com
Hosted domains	147,479
IPv4 addresses	7,168
IPv6 addresses	634,119,069,088,281,054,895,600,000,000
ASN type	Hosting
Registry	ripe
Allocated	15 years ago on Feb 07, 2011
Updated	10 months ago on Jun 25, 2025

Netblock	Company	Num of IPs
130.185.104.0/21	Core-Backbone GmbH	2,048
195.138.240.0/21	Core-Backbone GmbH	2,048
185.24.68.0/22	Core-Backbone GmbH	1,024
185.108.216.0/22	Core-Backbone GmbH	1,024
91.232.96.0/23	Core-Backbone GmbH	512
185.169.24.0/24	Sh S.p.a.	256
185.169.25.0/24	Sh S.p.a.	256
195.138.244.0/24	Core-Backbone GmbH	256

Netblock	Company
2a06:4b00::/29	Core-Backbone GmbH
2a01:4a0:2000::/48	Core-Backbone GmbH
2a01:4a0:2001::/48	Core-Backbone GmbH
2a01:4a0:2002::/48	Core-Backbone GmbH
2a06:4b01:3309::/48	Core-Backbone GmbH
2a06:4b01:330a::/48	Core-Backbone GmbH
2a06:4b01:330c::/48	Core-Backbone GmbH
2a06:4b01:330d::/48	Core-Backbone GmbH
2a06:4b01:330e::/48	Core-Backbone GmbH
2a06:4b01:3310::/48	Core-Backbone GmbH
2a06:4b01:3311::/48	Core-Backbone GmbH
2a06:4b01:3312::/48	Core-Backbone GmbH
2a06:4b01:3313::/48	Core-Backbone GmbH
2a06:4b01:3314::/48	Core-Backbone GmbH
2a06:4b01:3315::/48	Core-Backbone GmbH
2a06:4b01:3316::/48	Core-Backbone GmbH
2a06:4b01:3318::/48	Core-Backbone GmbH
2a06:4b01:3319::/48	Core-Backbone GmbH
2a06:4b01:331a::/48	Core-Backbone GmbH
2a06:4b01:331b::/48	Core-Backbone GmbH
2a06:4b01:331d::/48	Core-Backbone GmbH
2a06:4b01:331e::/48	Core-Backbone GmbH
2a06:4b01:331f::/48	Core-Backbone GmbH
2a06:4b01:3320::/48	Core-Backbone GmbH
2a06:4b01:3321::/48	Core-Backbone GmbH
2a06:4b01:3322::/48	Core-Backbone GmbH
2a06:4b01:3323::/48	Core-Backbone GmbH
2a06:4b01:3326::/48	Core-Backbone GmbH
2a06:4b01:3327::/48	Core-Backbone GmbH
2a06:4b01:3328::/48	Core-Backbone GmbH
2a06:4b01:3329::/48	Core-Backbone GmbH
2a06:4b01:332a::/48	Core-Backbone GmbH
2a06:4b01:332b::/48	Core-Backbone GmbH
2a06:4b01:332c::/48	Core-Backbone GmbH
2a06:4b01:332d::/48	Core-Backbone GmbH
2a06:4b01:332e::/48	Core-Backbone GmbH
2a06:4b01:332f::/48	Core-Backbone GmbH
2a06:4b01:3330::/48	Core-Backbone GmbH
2a06:4b01:3331::/48	Core-Backbone GmbH
2a06:4b01:3332::/48	Core-Backbone GmbH
2a06:4b01:3333::/48	Core-Backbone GmbH
2a06:4b01:3335::/48	Core-Backbone GmbH
2a06:4b01:3336::/48	Core-Backbone GmbH
2a06:4b01:3337::/48	Core-Backbone GmbH
2a06:4b01:3338::/48	Core-Backbone GmbH
2a06:4b01:3339::/48	Core-Backbone GmbH
2a06:4b01:333a::/48	Core-Backbone GmbH
2a06:4b01:333b::/48	Core-Backbone GmbH
2a06:4b01:333c::/48	Core-Backbone GmbH
2a06:4b01:333d::/48	Core-Backbone GmbH
2a06:4b01:333e::/48	Core-Backbone GmbH
2a06:4b01:333f::/48	Core-Backbone GmbH
2a06:4b01:3340::/48	Core-Backbone GmbH
2a06:4b01:3341::/48	Core-Backbone GmbH
2a06:4b01:3342::/48	Core-Backbone GmbH
2a06:4b01:3344::/48	Core-Backbone GmbH
2a06:4b01:3345::/48	Core-Backbone GmbH
2a06:4b01:3346::/48	Core-Backbone GmbH
2a06:4b01:3347::/48	Core-Backbone GmbH
2a06:4b01:3349::/48	Core-Backbone GmbH
2a06:4b01:334a::/48	Core-Backbone GmbH
2a06:4b01:334b::/48	Core-Backbone GmbH
2a06:4b01:334c::/48	Core-Backbone GmbH
2a06:4b01:334d::/48	Core-Backbone GmbH
2a06:4b01:334e::/48	Core-Backbone GmbH
2a06:4b01:334f::/48	Core-Backbone GmbH
2a06:4b01:3351::/48	Core-Backbone GmbH
2a06:4b01:3352::/48	Core-Backbone GmbH
2a06:4b01:3353::/48	Core-Backbone GmbH
2a06:4b01:3354::/48	Core-Backbone GmbH
2a06:4b01:3355::/48	Core-Backbone GmbH
2a06:4b01:3356::/48	Core-Backbone GmbH
2a06:4b01:3358::/48	Core-Backbone GmbH
2a06:4b01:3359::/48	Core-Backbone GmbH
2a06:4b01:335a::/48	Core-Backbone GmbH
2a06:4b01:335b::/48	Core-Backbone GmbH
2a06:4b01:335c::/48	Core-Backbone GmbH
2a06:4b01:335d::/48	Core-Backbone GmbH
2a06:4b01:335e::/48	Core-Backbone GmbH
2a06:4b01:335f::/48	Core-Backbone GmbH
2a06:4b01:3360::/48	Core-Backbone GmbH
2a06:4b01:3361::/48	Core-Backbone GmbH
2a06:4b01:3362::/48	Core-Backbone GmbH
2a06:4b01:3363::/48	Core-Backbone GmbH
2a06:4b01:3364::/48	Core-Backbone GmbH
2a06:4b01:3365::/48	Core-Backbone GmbH
2a06:4b01:3366::/48	Core-Backbone GmbH
2a06:4b01:3367::/48	Core-Backbone GmbH
2a06:4b01:3368::/48	Core-Backbone GmbH
2a06:4b01:3369::/48	Core-Backbone GmbH
2a06:4b01:336a::/48	Core-Backbone GmbH
2a06:4b01:336b::/48	Core-Backbone GmbH
2a06:4b01:336c::/48	Core-Backbone GmbH
2a06:4b01:336d::/48	Core-Backbone GmbH
2a06:4b01:336e::/48	Core-Backbone GmbH
2a06:4b01:336f::/48	Core-Backbone GmbH
2a06:4b01:3370::/48	Core-Backbone GmbH
2a06:4b01:3371::/48	Core-Backbone GmbH
2a06:4b01:3372::/48	Core-Backbone GmbH
2a06:4b01:3373::/48	Core-Backbone GmbH
2a06:4b01:3374::/48	Core-Backbone GmbH
2a06:4b01:3375::/48	Core-Backbone GmbH
2a06:4b01:3376::/48	Core-Backbone GmbH
2a06:4b01:3377::/48	Core-Backbone GmbH
2a06:4b01:3378::/48	Core-Backbone GmbH
2a06:4b01:3379::/48	Core-Backbone GmbH
2a06:4b01:337a::/48	Core-Backbone GmbH
2a06:4b01:3380::/48	Core-Backbone GmbH
2a06:4b01:33c0::/48	Core-Backbone GmbH
2a06:4b01:33e0::/48	Core-Backbone GmbH
2a06:4b01:3400::/48	Core-Backbone GmbH
2a06:4b01:3404::/48	Core-Backbone GmbH
2a06:4b01:3405::/48	Core-Backbone GmbH
2a06:4b01:340c::/48	Core-Backbone GmbH
2a06:4b01:3418::/48	Core-Backbone GmbH
2a06:4b01:341a::/48	Core-Backbone GmbH
2a06:4b01:341b::/48	Core-Backbone GmbH
2a06:4b01:341d::/48	Core-Backbone GmbH
2a06:4b01:341e::/48	Core-Backbone GmbH
2a06:4b01:341f::/48	Core-Backbone GmbH
2a06:4b01:3420::/48	Core-Backbone GmbH
2a06:4b01:3421::/48	Core-Backbone GmbH
2a06:4b01:3422::/48	Core-Backbone GmbH
2a06:4b01:3423::/48	Core-Backbone GmbH
2a06:4b01:3426::/48	Core-Backbone GmbH
2a06:4b01:3427::/48	Core-Backbone GmbH
2a06:4b01:3428::/48	Core-Backbone GmbH
2a06:4b01:3429::/48	Core-Backbone GmbH
2a06:4b01:342a::/48	Core-Backbone GmbH
2a06:4b01:342b::/48	Core-Backbone GmbH
2a06:4b01:342c::/48	Core-Backbone GmbH
2a06:4b01:342d::/48	Core-Backbone GmbH
2a06:4b01:342e::/48	Core-Backbone GmbH
2a06:4b01:342f::/48	Core-Backbone GmbH
2a06:4b01:3430::/48	Core-Backbone GmbH
2a06:4b01:3431::/48	Core-Backbone GmbH
2a06:4b01:3432::/48	Core-Backbone GmbH
2a06:4b01:3433::/48	Core-Backbone GmbH
2a06:4b01:3435::/48	Core-Backbone GmbH
2a06:4b01:3436::/48	Core-Backbone GmbH
2a06:4b01:3437::/48	Core-Backbone GmbH
2a06:4b01:3438::/48	Core-Backbone GmbH
2a06:4b01:3439::/48	Core-Backbone GmbH
2a06:4b01:343a::/48	Core-Backbone GmbH
2a06:4b01:343b::/48	Core-Backbone GmbH
2a06:4b01:343c::/48	Core-Backbone GmbH
2a06:4b01:345a::/48	Core-Backbone GmbH
2a06:4b01:345b::/48	Core-Backbone GmbH
2a06:4b01:3478::/48	Core-Backbone GmbH
2a06:4b01:3480::/48	Core-Backbone GmbH
2a06:4b01:34c0::/48	Core-Backbone GmbH
2a06:4b01:34ec::/48	Core-Backbone GmbH
2a06:4b01:34f0::/48	Core-Backbone GmbH
2a06:4b01:350c::/48	Core-Backbone GmbH
2a06:4b01:3515::/48	Core-Backbone GmbH
2a06:4b01:3518::/48	Core-Backbone GmbH
2a06:4b01:3519::/48	Core-Backbone GmbH
2a06:4b01:351a::/48	Core-Backbone GmbH
2a06:4b01:351b::/48	Core-Backbone GmbH
2a06:4b01:351d::/48	Core-Backbone GmbH
2a06:4b01:351e::/48	Core-Backbone GmbH
2a06:4b01:351f::/48	Core-Backbone GmbH
2a06:4b01:3520::/48	Core-Backbone GmbH
2a06:4b01:3521::/48	Core-Backbone GmbH
2a06:4b01:3522::/48	Core-Backbone GmbH
2a06:4b01:3523::/48	Core-Backbone GmbH
2a06:4b01:3526::/48	Core-Backbone GmbH
2a06:4b01:3527::/48	Core-Backbone GmbH
2a06:4b01:3528::/48	Core-Backbone GmbH
2a06:4b01:3529::/48	Core-Backbone GmbH
2a06:4b01:352a::/48	Core-Backbone GmbH
2a06:4b01:352b::/48	Core-Backbone GmbH
2a06:4b01:352c::/48	Core-Backbone GmbH
2a06:4b01:352d::/48	Core-Backbone GmbH
2a06:4b01:352e::/48	Core-Backbone GmbH
2a06:4b01:352f::/48	Core-Backbone GmbH
2a06:4b01:3530::/48	Core-Backbone GmbH
2a06:4b01:3531::/48	Core-Backbone GmbH
2a06:4b01:3532::/48	Core-Backbone GmbH
2a06:4b01:3533::/48	Core-Backbone GmbH
2a06:4b01:3535::/48	Core-Backbone GmbH
2a06:4b01:3536::/48	Core-Backbone GmbH
2a06:4b01:3537::/48	Core-Backbone GmbH
2a06:4b01:3538::/48	Core-Backbone GmbH
2a06:4b01:3539::/48	Core-Backbone GmbH
2a06:4b01:353a::/48	Core-Backbone GmbH
2a06:4b01:353b::/48	Core-Backbone GmbH
2a06:4b01:353c::/48	Core-Backbone GmbH
2a06:4b01:353d::/48	Core-Backbone GmbH
2a06:4b01:353e::/48	Core-Backbone GmbH
2a06:4b01:353f::/48	Core-Backbone GmbH
2a06:4b01:3540::/48	Core-Backbone GmbH
2a06:4b01:3541::/48	Core-Backbone GmbH
2a06:4b01:3542::/48	Core-Backbone GmbH
2a06:4b01:3544::/48	Core-Backbone GmbH
2a06:4b01:3545::/48	Core-Backbone GmbH
2a06:4b01:3546::/48	Core-Backbone GmbH
2a06:4b01:3547::/48	Core-Backbone GmbH
2a06:4b01:3549::/48	Core-Backbone GmbH
2a06:4b01:354a::/48	Core-Backbone GmbH
2a06:4b01:354b::/48	Core-Backbone GmbH
2a06:4b01:354c::/48	Core-Backbone GmbH
2a06:4b01:354d::/48	Core-Backbone GmbH
2a06:4b01:354e::/48	Core-Backbone GmbH
2a06:4b01:354f::/48	Core-Backbone GmbH
2a06:4b01:3551::/48	Core-Backbone GmbH
2a06:4b01:3552::/48	Core-Backbone GmbH
2a06:4b01:3553::/48	Core-Backbone GmbH
2a06:4b01:3554::/48	Core-Backbone GmbH
2a06:4b01:3555::/48	Core-Backbone GmbH
2a06:4b01:3556::/48	Core-Backbone GmbH
2a06:4b01:3558::/48	Core-Backbone GmbH
2a06:4b01:3559::/48	Core-Backbone GmbH
2a06:4b01:355c::/48	Core-Backbone GmbH
2a06:4b01:355d::/48	Core-Backbone GmbH
2a06:4b01:355e::/48	Core-Backbone GmbH
2a06:4b01:355f::/48	Core-Backbone GmbH
2a06:4b01:3560::/48	Core-Backbone GmbH
2a06:4b01:3561::/48	Core-Backbone GmbH
2a06:4b01:3562::/48	Core-Backbone GmbH
2a06:4b01:3563::/48	Core-Backbone GmbH
2a06:4b01:3564::/48	Core-Backbone GmbH
2a06:4b01:3565::/48	Core-Backbone GmbH
2a06:4b01:3566::/48	Core-Backbone GmbH
2a06:4b01:3567::/48	Core-Backbone GmbH
2a06:4b01:3568::/48	Core-Backbone GmbH
2a06:4b01:3569::/48	Core-Backbone GmbH
2a06:4b01:356a::/48	Core-Backbone GmbH
2a06:4b01:356b::/48	Core-Backbone GmbH
2a06:4b01:356c::/48	Core-Backbone GmbH
2a06:4b01:356d::/48	Core-Backbone GmbH
2a06:4b01:356e::/48	Core-Backbone GmbH
2a06:4b01:356f::/48	Core-Backbone GmbH
2a06:4b01:3570::/48	Core-Backbone GmbH
2a06:4b01:3571::/48	Core-Backbone GmbH
2a06:4b01:3572::/48	Core-Backbone GmbH
2a06:4b01:3573::/48	Core-Backbone GmbH
2a06:4b01:3574::/48	Core-Backbone GmbH
2a06:4b01:3575::/48	Core-Backbone GmbH
2a06:4b01:3576::/48	Core-Backbone GmbH
2a06:4b01:3577::/48	Core-Backbone GmbH
2a06:4b01:3578::/48	Core-Backbone GmbH
2a06:4b01:3579::/48	Core-Backbone GmbH
2a06:4b01:357a::/48	Core-Backbone GmbH

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WHOIS Details

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                                                ASHandle:       AS51191
                                                OrgID:          AS51191
                                                ASName:         AS51191
                                                ASNumber:       AS51191
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 147,479 domain names hosted across 249 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
130.185.109.77	██████████	93,959
185.24.68.9	██████████	4,305
130.185.109.78	██████████	2,668
130.185.109.2	██████████	86
195.138.245.250	██████████	66
185.24.68.234	██████████	47
130.185.109.43	██████████	46
130.185.108.81	██████████	23
185.169.25.22	██████████	22
130.185.104.82	██████████	15

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Hosted Domains API & Database

Peers

There are 4 peers for this ASN.

Peers	Name
AS199524	G-Core Labs S.A.
AS20473	The Constant Company, LLC
AS33891	Core-Backbone GmbH
AS60068	Datacamp Limited

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS199524	G-Core Labs S.A.
AS20473	The Constant Company, LLC
AS33891	Core-Backbone GmbH
AS60068	Datacamp Limited

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

192 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
2a06:4b01:331f::1	AS51191 Core-Backbone GmbH	`0.28ms` from Amsterdam, NL
2a06:4b01:3562::1	AS51191 Core-Backbone GmbH	`1.10ms` from London, GB
2a06:4b01:3568::1	AS51191 Core-Backbone GmbH	`1.10ms` from London, GB
2a06:4b01:356d::1	AS51191 Core-Backbone GmbH	`1.24ms` from London, GB
2a06:4b01:356a::1	AS51191 Core-Backbone GmbH	`1.11ms` from London, GB
2a06:4b01:3522::1	AS51191 Core-Backbone GmbH	`0.23ms` from London, GB
2a06:4b01:3312::1	AS51191 Core-Backbone GmbH	`0.34ms` from Amsterdam, NL
2a06:4b01:33c0::1	AS51191 Core-Backbone GmbH	`0.38ms` from Amsterdam, NL
2a06:4b01:3554::1	AS51191 Core-Backbone GmbH	`1.09ms` from London, GB
91.232.96.3	AS51191 Core-Backbone GmbH	`0.61ms` from Nuernberg, DE
2a06:4b01:3366::1	AS51191 Core-Backbone GmbH	`0.34ms` from Amsterdam, NL
2a06:4b01:3515::1	AS51191 Core-Backbone GmbH	`6.90ms` from Amsterdam, NL
2a06:4b01:3328::1	AS51191 Core-Backbone GmbH	`0.34ms` from Amsterdam, NL
2a06:4b01:3367::1	AS51191 Core-Backbone GmbH	`0.38ms` from Amsterdam, NL
2a06:4b01:352e::1	AS51191 Core-Backbone GmbH	`0.33ms` from London, GB
2a06:4b01:357a::1	AS51191 Core-Backbone GmbH	`1.03ms` from London, GB
2a06:4b01:356f::1	AS51191 Core-Backbone GmbH	`0.90ms` from London, GB
2a06:4b00:1000:100::3	AS51191 Core-Backbone GmbH	`0.42ms` from Nuernberg, DE
2a06:4b01:3330::1	AS51191 Core-Backbone GmbH	`0.30ms` from Amsterdam, NL
2a06:4b01:3352::1	AS51191 Core-Backbone GmbH	`0.31ms` from Amsterdam, NL
2a06:4b01:3323::1	AS51191 Core-Backbone GmbH	`0.35ms` from Amsterdam, NL
2a06:4b01:3553::1	AS51191 Core-Backbone GmbH	`1.11ms` from London, GB
2a06:4b01:351d::1	AS51191 Core-Backbone GmbH	`0.91ms` from London, GB
2a06:4b01:353d::1	AS51191 Core-Backbone GmbH	`1.10ms` from London, GB
2a06:4b01:3563::1	AS51191 Core-Backbone GmbH	`1.07ms` from London, GB

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
92.65.107.87	AS1136 KPN B.V.	`1.49ms` from Amsterdam, NL
43.143.231.119	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.91ms` from Beijing, CN
41.47.215.103	AS8452 TE-AS	`3.60ms` from Cairo, EG
218.76.224.23	AS4134 CHINANET BACKBONE	`7.46ms` from Changsha, CN
162.226.43.55	AS7018 AT&T Enterprises, LLC	`6.25ms` from Chicago, US
3.141.74.23	AS16509 Amazon.com, Inc.	`0.09ms` from Columbus, US
3.123.111.199	AS16509 Amazon.com, Inc.	`0.18ms` from Frankfurt am Main, DE
112.154.79.231	AS17858 LG POWERCOMM	`7.26ms` from Incheon, KR
180.254.219.103	AS7713 PT Telekomunikasi Indonesia	`16.89ms` from Jakarta, ID
75.204.119.183	AS6167 Verizon Business	`17.41ms` from Los Angeles, US
101.186.166.183	AS1221 Telstra Limited	`8.59ms` from Melbourne, AU
78.197.147.119	AS12322 Free SAS	`7.54ms` from Milan, IT
157.0.227.167	AS4837 CHINA UNICOM China169 Backbone	`7.69ms` from Nanjing, CN
180.216.103.167	AS4804 Microplex PTY LTD	`14.30ms` from Sydney, AU
1.173.219.183	AS3462 Data Communication Business Group	`6.39ms` from Taichung, TW
126.63.246.231	AS17676 SoftBank Corp.	`4.55ms` from Tokyo, JP
118.87.109.167	AS4721 JCOM Co., Ltd.	`7.92ms` from Tokyo, JP
68.1.253.199	AS22773 Cox Communications Inc.	`10.23ms` from Tulsa, US
37.15.238.231	AS12479 Orange Espagne SA	`7.56ms` from Zaragoza, ES
146.20.144.71	AS27357 Rackspace Hosting	`0.46ms` from Ashburn, US
139.208.221.103	AS4837 CHINA UNICOM China169 Backbone	`9.82ms` from Changchun, CN
23.113.233.7	AS7018 AT&T Enterprises, LLC	`7.14ms` from Columbus, US
97.139.202.23	AS6167 Verizon Business	`7.76ms` from Denver, US
210.6.49.71	AS9269 Hong Kong Broadband Network Ltd.	`1.14ms` from Hong Kong, HK
111.39.134.7	AS9808 China Mobile Communications Group Co., Ltd.	`4.46ms` from Huainan, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 130.185.108.81

traceroute to 130.185.108.81 (130.185.108.81): 64 hops max, 52 byte packets

1 [AS15169] 142.250.211.88 1.317 ms

2 *

3 [AS201011] 81.95.15.161 3.311 ms

4 [AS201011] 80.255.15.106 4.73 ms

5 [AS51191] 130.185.108.81 3.302 ms

Measurement taken from

IPinfo ProbeNet in Frankfurt am Main, DE

On April 13th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS51191 at robtex.

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