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AS668
DNIC-AS-00668 - United States Department of Defense (DoD) Announcing routesAS nameDNIC-AS-00668
OrganisationUnited States Department of Defense (DoD)
Registry (RIR)ARIN
HandleAS668
RangeAS668
Registered24 Apr 1990
Last changed12 Sep 2025
Abuse contact[email protected]
192IPv4 prefixes
1IPv6 prefixes
8Upstreams
27Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS6939 | HURRICANE - Hurricane Electric LLC | 6167 |
| AS701 | UUNET - Verizon Business | 575 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 271 |
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2 | 76 |
| AS7575 | AARNET-AS-AP - Australian Academic and Research Network (AARNet) | 41 |
| AS35889 | GOREX - University of Hawaii | 8 |
| AS10764 | STARTAP - University of Illinois | 3 |
| AS6360 | UNIVHAWAII - University of Hawaii | 3 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS89 | DNIC-AS-00089 - Navy Network Information Center (NNIC) | 435 |
| AS687 | DNIC-AS-00687 - United States Department of Defense (DoD) | 427 |
| AS252 | DNIC-AS-00252 - Headquarters, USAISC | 309 |
| AS289 | DNIC-AS-00289 - Headquarters, USAISC | 281 |
| AS13 | DNIC-AS-00013 - Headquarters, USAISC | 279 |
| AS5957 | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 279 |
| AS22 | DNIC-AS-00022 - Navy Network Information Center (NNIC) | 277 |
| AS518 | DNIC-AS-00518 - United States Department of Defense (DoD) | 275 |
| AS6009 | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 275 |
| AS213 | DNIC-AS-00213 - Headquarters, USAISC | 270 |
| AS37 | DNIC-AS-00037 - Navy Network Information Center (NNIC) | 270 |
| AS48 | DNIC-AS-00048 - Navy Network Information Center (NNIC) | 269 |
| AS5058 | NRL-EXP - Navy Network Information Center (NNIC) | 269 |
| AS84 | DNIC-AS-00084 - Navy Network Information Center (NNIC) | 269 |
| AS121 | DNIC-AS-00121 - United States Department of Defense (DoD) | 247 |
IPv4 prefixes (192)
199.10.20.0/24198.154.16.0/21132.193.0.0/16131.92.192.0/18131.92.184.0/23192.31.147.0/24192.5.22.0/24198.253.252.0/24155.141.0.0/16198.154.174.0/23192.16.167.0/24206.37.28.0/23134.166.134.0/24205.68.95.0/24143.56.0.0/16199.31.107.0/24150.125.0.0/16199.123.88.0/23147.241.112.0/226.2.112.0/22192.160.159.0/24198.253.253.0/24205.67.232.0/24192.5.23.0/24130.163.0.0/16131.92.162.0/23131.92.186.0/24131.92.164.0/22137.128.0.0/166.2.120.0/22199.208.32.0/21140.32.0.0/16199.209.150.0/23204.222.64.0/21134.166.138.0/24192.160.158.0/246.11.254.0/246.4.0.0/16163.240.0.0/16131.120.0.0/16155.148.240.0/21199.209.144.0/22131.92.144.0/21214.9.95.0/24214.29.136.0/21199.123.113.0/24192.171.8.0/22199.123.86.0/236.2.0.0/186.11.51.0/24155.148.224.0/20207.133.211.0/24199.123.90.0/24192.12.124.0/246.11.1.0/24192.175.87.0/246.2.96.0/22164.49.0.0/16198.253.192.0/206.2.104.0/22199.10.18.0/24192.86.66.0/24131.214.0.0/16131.92.131.0/24198.97.234.0/23164.122.0.0/20131.92.136.0/21192.171.12.0/24199.10.19.0/24199.10.17.0/24164.191.0.0/16131.250.192.0/20131.121.0.0/16199.209.248.0/21192.138.87.0/24199.31.16.0/20192.58.244.0/24198.253.168.0/21140.25.98.0/24204.44.136.0/23206.37.252.0/24205.66.100.0/22131.92.180.0/23192.5.21.0/24147.241.160.0/21147.227.0.0/16147.241.96.0/22204.34.198.0/24199.10.233.0/24214.9.92.0/24199.9.0.0/24131.92.168.0/21192.190.229.0/24140.25.0.0/16147.248.48.0/20198.154.176.0/236.2.64.0/19199.9.2.0/24204.222.6.0/23192.67.80.0/24134.166.144.0/20128.160.0.0/17132.45.0.0/16140.27.8.0/22131.92.176.0/22155.148.0.0/17164.173.0.0/16192.190.228.0/24155.154.0.0/16199.10.148.0/24134.166.132.0/23207.132.147.0/24140.27.10.0/23147.241.126.0/24192.67.93.0/24131.250.0.0/176.15.100.0/24199.10.16.0/24198.253.56.0/24214.4.136.0/24158.12.0.0/16192.5.17.0/24214.10.25.0/24198.14.32.0/19147.241.120.0/22129.92.0.0/16147.241.192.0/18192.55.117.0/24192.5.41.0/24199.123.105.0/24198.97.236.0/24131.218.0.0/16206.37.30.0/23198.154.173.0/24199.10.127.0/24147.241.72.0/21199.10.62.0/24199.208.158.0/24192.5.148.0/24131.250.128.0/18192.42.141.0/24164.172.0.0/16204.222.8.0/23140.178.0.0/16214.9.94.0/24134.166.0.0/18140.27.14.0/23140.27.12.0/23134.164.220.0/24128.132.0.0/16205.111.251.0/24134.166.128.0/226.11.250.0/24199.209.144.0/21198.253.128.0/19134.166.135.0/24147.241.88.0/216.3.0.0/17147.241.104.0/22206.37.226.0/24155.148.128.0/18192.48.242.0/24192.100.92.0/24198.253.110.0/24192.88.110.0/24147.241.80.0/21140.31.0.0/16198.154.24.0/23198.253.40.0/21199.9.1.0/24214.27.178.0/24131.122.0.0/16147.241.118.0/24155.148.192.0/19131.92.182.0/23140.6.0.0/16205.111.252.0/24214.9.96.0/21129.229.0.0/16204.238.129.0/24134.166.136.0/23206.37.224.0/24199.209.149.0/24198.253.64.0/21144.3.0.0/16199.209.240.0/21155.29.152.0/21134.166.64.0/18157.187.0.0/16131.92.132.0/22140.5.0.0/16130.109.0.0/16
IPv6 prefixes (1)
RPKI-validate all prefixes of AS668
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | United States Department of Defense (DoD) | USDDD | 3990 E. Broad Street, Columbus, OH, 43218, United States | |
| noc, abuse, technical | Network DoD | MIL-HSTMST-ARIN | [email protected], +1-844-347-2457;ext2 | DISA-Columbus, 300 North James Road, Whitehall, OH, 43213, United States |
| administrative, technical | Registration | REGIS10-ARIN | [email protected], +1-844-347-2457;ext2 | DISA-Columbus, 300 North James Road, Whitehall, OH, 43213, United States |
Raw registry response
{
"endAutnum": 668,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-12T10:14:24-05:00"
},
{
"eventAction": "registration",
"eventDate": "1993-05-26T19:47:50-04:00"
}
],
"handle": "MIL-HSTMST-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/668"
},
{
"href": "https://whois.arin.net/rest/poc/MIL-HSTMST-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/668"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "DISA-Columbus\n300 North James Road\nWhitehall\nOH\n43213\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network DoD"
],
[
"org",
[],
"text",
"DoD Network Information Center (DoD NIC)"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-844-347-2457;ext2"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-12T13:52:28-05:00"
},
{
"eventAction": "registration",
"eventDate": "2009-06-24T09:41:15-04:00"
}
],
"handle": "REGIS10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/REGIS10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/668"
},
{
"href": "https://whois.arin.net/rest/poc/REGIS10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/668"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "DISA-Columbus\n300 North James Road\nWhitehall\nOH\n43213\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Registration"
],
[
"org",
[],
"text",
"DoD Network Information Center"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-844-347-2457;ext2"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-12T11:35:39-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-01-12T12:10:52-05:00"
}
],
"handle": "USDDD",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/USDDD",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/668"
},
{
"href": "https://whois.arin.net/rest/org/USDDD",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/668"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"United States Department of Defense (DoD)"
],
[
"adr",
{
"label": "3990 E. Broad Street\nColumbus\nOH\n43218\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-09-12T09:58:49-04:00"
},
{
"eventAction": "registration",
"eventDate": "1990-04-24T00:00:00-04:00"
}
],
"handle": "AS668",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/668",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/668"
},
{
"href": "https://whois.arin.net/rest/asn/AS668",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/668"
}
],
"name": "DNIC-AS-00668",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/668"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/668"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 668,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.