AS1637 Headquarters, USAISC details

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AS1637 – Headquarters, USAISC

Field	Value
Country	United States
Website	mail.mil
Hosted domains	0
Number of IPv4	200,448
Number of IPv6	1,208,925,819,614,629,174,706,176
ASN type	Government
Registry	arin
Allocated	21 years ago on May 12, 2004
Updated	14 years ago on Aug 24, 2011

Netblock	Company	Num of IPs
143.46.0.0/16	Headquarters, USAISC	65,536
155.5.0.0/16	Headquarters, USAISC	65,536
155.6.0.0/16	Headquarters, USAISC	65,536
143.68.152.0/21	Headquarters, USAISC	2,048
143.46.116.0/22	Headquarters, USAISC	1,024
143.46.120.0/22	Headquarters, USAISC	1,024
143.46.164.0/22	Headquarters, USAISC	1,024
6.134.24.0/22	Headquarters, USAISC	1,024
143.46.128.0/23	Headquarters, USAISC	512
143.46.130.0/23	Headquarters, USAISC	512
143.46.134.0/23	Headquarters, USAISC	512
143.46.8.0/23	Headquarters, USAISC	512
155.5.122.0/23	Headquarters, USAISC	512
155.5.142.0/23	Headquarters, USAISC	512
155.5.152.0/23	Headquarters, USAISC	512
143.46.10.0/24	Headquarters, USAISC	256
143.46.110.0/24	Headquarters, USAISC	256
143.46.11.0/24	Headquarters, USAISC	256
143.46.12.0/24	Headquarters, USAISC	256
143.46.140.0/24	Headquarters, USAISC	256
143.46.141.0/24	Headquarters, USAISC	256
143.46.142.0/24	Headquarters, USAISC	256
143.46.143.0/24	Headquarters, USAISC	256
143.46.144.0/24	Headquarters, USAISC	256
143.46.145.0/24	Headquarters, USAISC	256
143.46.146.0/24	Headquarters, USAISC	256
143.46.147.0/24	Headquarters, USAISC	256
143.46.150.0/24	Headquarters, USAISC	256
143.46.151.0/24	Headquarters, USAISC	256
143.46.158.0/24	Headquarters, USAISC	256
143.46.161.0/24	Headquarters, USAISC	256
143.46.168.0/24	Headquarters, USAISC	256
143.46.169.0/24	Headquarters, USAISC	256
143.46.170.0/24	Headquarters, USAISC	256
143.46.17.0/24	Headquarters, USAISC	256
143.46.18.0/24	Headquarters, USAISC	256
143.46.190.0/24	Headquarters, USAISC	256
143.46.193.0/24	Headquarters, USAISC	256
143.46.196.0/24	Headquarters, USAISC	256
143.46.20.0/24	Headquarters, USAISC	256
143.46.210.0/24	Headquarters, USAISC	256
143.46.21.0/24	Headquarters, USAISC	256
143.46.22.0/24	Headquarters, USAISC	256
143.46.224.0/24	Headquarters, USAISC	256
143.46.229.0/24	Headquarters, USAISC	256
143.46.23.0/24	Headquarters, USAISC	256
143.46.240.0/24	Headquarters, USAISC	256
143.46.24.0/24	Headquarters, USAISC	256
143.46.245.0/24	Headquarters, USAISC	256
143.46.25.0/24	Headquarters, USAISC	256
143.46.253.0/24	Headquarters, USAISC	256
143.46.26.0/24	Headquarters, USAISC	256
143.46.27.0/24	Headquarters, USAISC	256
143.46.32.0/24	Headquarters, USAISC	256
143.46.33.0/24	Headquarters, USAISC	256
143.46.34.0/24	Headquarters, USAISC	256
143.46.35.0/24	Headquarters, USAISC	256
143.46.36.0/24	Headquarters, USAISC	256
143.46.37.0/24	Headquarters, USAISC	256
143.46.39.0/24	Headquarters, USAISC	256
143.46.48.0/24	Headquarters, USAISC	256
143.46.49.0/24	Headquarters, USAISC	256
143.46.50.0/24	Headquarters, USAISC	256
143.46.5.0/24	Headquarters, USAISC	256
143.46.51.0/24	Headquarters, USAISC	256
143.46.53.0/24	Headquarters, USAISC	256
143.46.60.0/24	Headquarters, USAISC	256
147.248.24.0/24	Headquarters, USAISC	256
155.5.106.0/24	Headquarters, USAISC	256
155.5.116.0/24	Headquarters, USAISC	256
155.5.17.0/24	Headquarters, USAISC	256
155.5.18.0/24	Headquarters, USAISC	256
155.5.20.0/24	Headquarters, USAISC	256
155.5.21.0/24	Headquarters, USAISC	256
155.5.32.0/24	Headquarters, USAISC	256
155.5.33.0/24	Headquarters, USAISC	256
155.5.35.0/24	Headquarters, USAISC	256
155.5.48.0/24	Headquarters, USAISC	256
155.5.49.0/24	Headquarters, USAISC	256
155.6.100.0/24	Headquarters, USAISC	256
155.6.194.0/24	Headquarters, USAISC	256
155.6.200.0/24	Headquarters, USAISC	256
155.6.20.0/24	Headquarters, USAISC	256
155.6.210.0/24	Headquarters, USAISC	256
155.6.21.0/24	Headquarters, USAISC	256
155.6.216.0/24	Headquarters, USAISC	256
155.6.217.0/24	Headquarters, USAISC	256
155.6.218.0/24	Headquarters, USAISC	256
155.6.219.0/24	Headquarters, USAISC	256
155.6.220.0/24	Headquarters, USAISC	256
155.6.22.0/24	Headquarters, USAISC	256
155.6.23.0/24	Headquarters, USAISC	256
155.6.240.0/24	Headquarters, USAISC	256
155.6.24.0/24	Headquarters, USAISC	256
155.6.243.0/24	Headquarters, USAISC	256
155.6.25.0/24	Headquarters, USAISC	256
155.6.26.0/24	Headquarters, USAISC	256
155.6.27.0/24	Headquarters, USAISC	256
155.6.28.0/24	Headquarters, USAISC	256
155.6.29.0/24	Headquarters, USAISC	256
155.6.30.0/24	Headquarters, USAISC	256
155.6.31.0/24	Headquarters, USAISC	256
155.6.32.0/24	Headquarters, USAISC	256
155.6.33.0/24	Headquarters, USAISC	256
155.6.35.0/24	Headquarters, USAISC	256
155.6.37.0/24	Headquarters, USAISC	256
155.6.39.0/24	Headquarters, USAISC	256
155.6.40.0/24	Headquarters, USAISC	256
155.6.41.0/24	Headquarters, USAISC	256
155.6.42.0/24	Headquarters, USAISC	256
155.6.48.0/24	Headquarters, USAISC	256
155.6.51.0/24	Headquarters, USAISC	256
155.6.53.0/24	Headquarters, USAISC	256
155.6.56.0/24	Headquarters, USAISC	256
155.6.57.0/24	Headquarters, USAISC	256
155.6.58.0/24	Headquarters, USAISC	256
155.6.90.0/24	Headquarters, USAISC	256
155.6.98.0/24	Headquarters, USAISC	256
6.16.88.0/24	Headquarters, USAISC	256
6.16.89.0/24	Headquarters, USAISC	256

Netblock	Company
2608:c141:30::/48	United States Department of Defense (DoD)

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WHOIS Details

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                                                ASHandle:       AS1637
                                                OrgID:          AS1637
                                                ASName:         AS1637
                                                ASNumber:       AS1637
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There is 1 peer for this ASN.

Peers	Name
AS27066	DoD Network Information Center

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ASN API

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Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS27066	DoD Network Information Center

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ASN API

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Downstreams

There are no downstreams for this ASN.

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ASN API

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Pingable IPs

No IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

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
92.97.81.37	AS5384 Emirates Internet	`3.23ms` from Al Fujairah City, AE
2.87.21.197	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`1.18ms` from Athens, GR
68.184.87.53	AS20115 Charter Communications LLC	`8.52ms` from Atlanta, US
181.56.177.213	AS10620 Telmex Colombia S.A.	`19.70ms` from Bogota, CO
27.59.235.21	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`10.94ms` from Chennai, IN
34.68.233.197	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
97.154.152.229	AS6167 Verizon Business	`9.92ms` from Dallas, US
80.2.51.229	AS5089 Virgin Media Limited	`8.41ms` from London, GB
82.60.147.133	AS3269 Telecom Italia S.p.A.	`4.00ms` from Milan, IT
79.33.190.245	AS3269 Telecom Italia S.p.A.	`3.43ms` from Milan, IT
185.96.98.133	AS50316 Net Global Srl	`4.83ms` from Milan, IT
5.128.66.53	AS31200 Novotelecom Ltd	`1.29ms` from Novosibirsk, RU
86.195.84.37	AS3215 Orange S.A.	`7.21ms` from Paris, FR
176.128.207.21	AS5410 Bouygues Telecom SA	`2.90ms` from Paris, FR
107.181.185.149	AS46562 Performive LLC	`0.17ms` from Phoenix, US
162.240.15.165	AS46606 Unified Layer	`2.03ms` from Salt Lake City, US
23.19.197.53	AS28753 Leaseweb Deutschland GmbH	`0.11ms` from San Jose, US
152.230.123.37	AS14259 Gtd Internet S.A.	`1.00ms` from Santiago, CL
152.44.161.5	AS54858 Wave Broadband	`0.39ms` from Seattle, US
59.24.11.213	AS4766 Korea Telecom	`6.71ms` from Seoul, KR
183.232.104.133	AS56040 China Mobile communications corporation	`3.94ms` from Shenzhen, CN
74.136.174.213	AS10796 Charter Communications Inc	`17.50ms` from Columbus, US
65.115.62.85	AS209 CenturyLink Communications, LLC	`2.19ms` from Dallas, US
23.29.20.5	AS395434 46 Labs LLC	`0.64ms` from Denver, US
87.151.187.37	AS3320 Deutsche Telekom AG	`4.47ms` from Duesseldorf, DE

Traceroute

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

traceroute -a -n -q1 -f5 -m9 155.5.190.59

traceroute to 155.5.190.59 (155.5.190.59): 9 hops max, 52 byte packets

5 [AS3356] 4.69.219.226 353.514 ms

6 [AS3356] 8.244.134.50 360.787 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Abidjan, CI

On August 22nd 2025

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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 AS1637 at robtex.

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