Autonomous System details

AS197897

5KOM OOD · optisprint.net

Bulgaria

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AS197897 – 5KOM OOD

Field	Value
Country	Bulgaria
Website	optisprint.net
Hosted domains	20
IPv4 addresses	16,640
IPv6 addresses	0
ASN type	ISP
Registry	ripe
Allocated	15 years ago on Jun 15, 2011
Updated	8 years ago on Sep 04, 2018

Netblock	Company	Num of IPs
31.211.128.0/20	5KOM OOD	4,096
31.211.144.0/21	5KOM OOD	2,048
31.211.152.0/21	5KOM OOD	2,048
151.252.200.0/21	5KOM OOD	2,048
151.252.192.0/22	5KOM OOD	1,024
79.124.80.0/23	Optisprint	512
151.252.196.0/23	5KOM OOD	512
31.211.128.0/24	5KOM OOD	256
31.211.129.0/24	5KOM OOD	256
31.211.130.0/24	5KOM OOD	256
31.211.131.0/24	5KOM OOD	256
31.211.132.0/24	5KOM OOD	256
31.211.133.0/24	5KOM OOD	256
31.211.134.0/24	5KOM OOD	256
31.211.135.0/24	5KOM OOD	256
31.211.136.0/24	5KOM OOD	256
31.211.137.0/24	5KOM OOD	256
31.211.138.0/24	5KOM OOD	256
31.211.139.0/24	5KOM OOD	256
31.211.140.0/24	5KOM OOD	256
31.211.141.0/24	5KOM OOD	256
31.211.142.0/24	5KOM OOD	256
31.211.143.0/24	5KOM OOD	256
31.211.144.0/24	5KOM OOD	256
31.211.145.0/24	5KOM OOD	256
31.211.146.0/24	5KOM OOD	256
31.211.147.0/24	5KOM OOD	256
31.211.148.0/24	5KOM OOD	256
31.211.149.0/24	5KOM OOD	256
31.211.150.0/24	5KOM OOD	256
31.211.151.0/24	5KOM OOD	256
31.211.152.0/24	5KOM OOD	256
31.211.153.0/24	5KOM OOD	256
31.211.154.0/24	5KOM OOD	256
31.211.155.0/24	5KOM OOD	256
31.211.156.0/24	5KOM OOD	256
31.211.157.0/24	5KOM OOD	256
31.211.158.0/24	5KOM OOD	256
31.211.159.0/24	5KOM OOD	256
78.142.22.0/24	Optisprint	256
78.142.23.0/24	Optisprint	256
88.203.250.0/24	A1 Bulgaria EAD	256
88.203.251.0/24	A1 Bulgaria EAD	256
91.92.59.0/24	Lir.bg EOOD	256
91.148.150.0/24	Optisprint	256
91.148.151.0/24	Optisprint	256
91.148.152.0/24	Optisprint	256
91.148.153.0/24	Optisprint	256
91.148.154.0/24	Optisprint	256
91.148.155.0/24	Optisprint	256
91.148.156.0/24	Optisprint	256
91.148.157.0/24	Optisprint	256
91.148.158.0/24	Optisprint	256
91.148.159.0/24	Optisprint	256
95.158.148.0/24	Emil Stefanov - Dochev - 62 ST	256
95.158.151.0/24	5KOM OOD	256
151.252.192.0/24	5KOM OOD	256
151.252.193.0/24	5KOM OOD	256
151.252.194.0/24	5KOM OOD	256
151.252.195.0/24	5KOM OOD	256
151.252.196.0/24	5KOM OOD	256
151.252.197.0/24	5KOM OOD	256
151.252.200.0/24	5KOM OOD	256
151.252.201.0/24	5KOM OOD	256
151.252.202.0/24	5KOM OOD	256
151.252.203.0/24	5KOM OOD	256
151.252.204.0/24	5KOM OOD	256
151.252.205.0/24	5KOM OOD	256
151.252.206.0/24	5KOM OOD	256
151.252.207.0/24	5KOM OOD	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS197897
                                                OrgID:          AS197897
                                                ASName:         AS197897
                                                ASNumber:       AS197897
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 20 domain names hosted across 13 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
31.211.142.136	██████████	5
78.142.22.19	██████████	4
151.252.192.163	█████████	1
31.211.137.91	██████████	1
31.211.136.121	█████████	1
31.211.158.242	██████████	1
151.252.192.171	██████████	1
31.211.132.250	██████████	1
31.211.130.117	██████████	1
31.211.131.38	██████████	1

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Peers

There are 2 peers for this ASN.

Peers	Name
AS29582	Optisprint OOD
AS57344	Telehouse EAD

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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS29582	Optisprint OOD

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
151.252.193.185	AS197897 5KOM OOD	`7.60ms` from Sofia, BG
31.211.157.202	AS197897 5KOM OOD	`7.72ms` from Sofia, BG
151.252.194.130	AS197897 5KOM OOD	`7.16ms` from Sofia, BG
31.211.156.15	AS197897 5KOM OOD	`7.84ms` from Sofia, BG
31.211.147.78	AS197897 5KOM OOD	`4.46ms` from Sofia, BG
31.211.137.158	AS197897 5KOM OOD	`3.92ms` from Sofia, BG
31.211.134.107	AS197897 5KOM OOD	`6.73ms` from Sofia, BG
31.211.136.237	AS197897 5KOM OOD	`4.01ms` from Sofia, BG
151.252.195.138	AS197897 5KOM OOD	`3.79ms` from Sofia, BG
31.211.143.1	AS197897 5KOM OOD	`4.19ms` from Sofia, BG
31.211.150.1	AS197897 5KOM OOD	`4.72ms` from Sofia, BG
31.211.129.169	AS197897 5KOM OOD	`4.44ms` from Sofia, BG
91.148.151.1	AS197897 5KOM OOD	`4.14ms` from Sofia, BG
31.211.145.242	AS197897 5KOM OOD	`6.11ms` from Sofia, BG
91.148.153.1	AS197897 5KOM OOD	`4.67ms` from Sofia, BG
151.252.196.231	AS197897 5KOM OOD	`3.98ms` from Sofia, BG
31.211.133.1	AS197897 5KOM OOD	`4.12ms` from Sofia, BG
151.252.200.254	AS197897 5KOM OOD	`7.20ms` from Sofia, BG
151.252.192.47	AS197897 5KOM OOD	`6.93ms` from Sofia, BG
31.211.128.11	AS197897 5KOM OOD	`4.42ms` from Sofia, BG
151.252.207.33	AS197897 5KOM OOD	`6.92ms` from Sofia, BG
91.148.154.1	AS197897 5KOM OOD	`4.65ms` from Sofia, BG
95.158.151.157	AS197897 5KOM OOD	`3.91ms` from Sofia, BG
31.211.153.13	AS197897 5KOM OOD	`3.79ms` from Sofia, BG
151.252.197.172	AS197897 5KOM OOD	`4.04ms` from Sofia, BG

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
108.66.12.121	AS7018 AT&T Enterprises, LLC	`8.41ms` from Atlanta, US
182.79.223.153	AS9498 BHARTI Airtel Ltd.	`0.28ms` from Bengaluru, IN
213.119.125.105	AS6848 Telenet BV	`9.32ms` from Brussels, BE
184.178.252.233	AS22773 Cox Communications Inc.	`10.04ms` from Dallas, US
200.151.190.121	AS7738 V tal	`7.62ms` from Fortaleza, BR
116.7.242.137	AS4134 CHINANET BACKBONE	`0.91ms` from Guangzhou, CN
43.138.170.121	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.23ms` from Guangzhou, CN
143.89.91.9	AS3363 Hong Kong University of Science and Technology	`2.64ms` from Hong Kong, HK
217.158.67.185	AS8426 ClaraNET LTD	`9.88ms` from London, GB
217.155.171.169	AS13037 Zen Internet Ltd	`1.93ms` from Manchester, GB
190.71.171.25	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`9.74ms` from Medellin, CO
32.44.169.137	AS7018 AT&T Enterprises, LLC	`16.52ms` from Miami, US
24.118.161.249	AS7922 Comcast Cable Communications, LLC	`3.72ms` from Minneapolis, US
222.188.98.89	AS4134 CHINANET BACKBONE	`5.42ms` from Nanjing, CN
121.237.49.185	AS4134 CHINANET BACKBONE	`1.23ms` from Nanjing, CN
72.189.47.9	AS33363 Charter Communications, Inc	`7.83ms` from Orlando, US
201.218.197.201	AS18809 Cable Onda	`0.93ms` from Panama, PA
84.19.64.185	AS33943 Eri Internet s.r.o.	`0.39ms` from Prague, CZ
159.213.239.201	AS6882 Regione Toscana	`7.56ms` from Rome, IT
222.103.217.185	AS4766 Korea Telecom	`7.59ms` from Seoul, KR
220.87.151.89	AS4766 Korea Telecom	`4.21ms` from Seoul, KR
61.76.105.105	AS4766 Korea Telecom	`6.21ms` from Seoul, KR
47.131.130.249	AS16509 Amazon.com, Inc.	`0.16ms` from Singapore, SG
113.33.155.121	AS17506 ARTERIA Networks Corporation	`0.91ms` from Tokyo, JP
64.125.54.249	AS6461 Zayo Bandwidth	`0.43ms` from Toronto, CA

Traceroute

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

traceroute -a -n -q1 -f4 31.211.129.1

traceroute to 31.211.129.1 (31.211.129.1): 64 hops max, 52 byte packets

4 [] 193.169.198.221 4.119 ms

5 [AS29582] 212.233.255.234 4.165 ms

6 [AS197897] 31.211.129.1 4.957 ms

Measurement taken from

IPinfo ProbeNet in Sofia, BG

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 AS197897 at robtex.

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