AS6461 ZAYO-6461 - Zayo Bandwidth
Everything the routing table and the registries say about AS6461: who holds it, which registry issued it, and which address blocks it advertises.
Transit and backboneAS6461
219 IPv4 and 13 IPv6 prefixes announced.
Registry facts
- AS number
- AS6461
- Holder
- ZAYO-6461 - Zayo Bandwidth
- Country
- US
- Regional registry
- ARIN — American Registry for Internet Numbers
- Registry block
- 5632-6655 (IANA 16-bit Autonomous System (AS) Numbers Registry)
- Announced today
- Yes
- IPv4 prefixes
- 219
- IPv6 prefixes
- 13
- Observed at
- 2026-09-05T16:00:00
Data: RIPEstat. Prefix and holder data comes from the RIPEstat Data API and is cached for 24 hours. The regional registry is derived from the IANA AS number allocation table. Authoritative registry records are served by ARIN RDAP.
Announced prefixes
- 187 IPv4 shown
- 13 IPv6 shown
- 23.139.176.0/24
- 31.99.0.0/18
- 45.33.128.0/20
- 50.115.18.0/24
- 50.115.20.0/24
- 50.115.24.0/24
- 63.208.55.0/24
- 63.249.63.0/24
- 64.56.211.0/24
- 64.83.132.0/24
- 64.124.0.0/17
- 64.124.128.0/19
- 64.124.160.0/20
- 64.124.176.0/21
- 64.124.184.0/22
- 64.124.188.0/23
- 64.124.190.0/23
- 64.124.192.0/18
- 64.125.0.0/16
- 64.125.74.0/24
- 66.46.0.0/16
- 66.62.132.0/24
- 66.62.161.0/24
- 66.62.182.0/23
- 66.62.230.0/24
- 66.62.238.0/24
- 66.62.239.0/24
- 66.62.240.0/22
- 66.62.244.0/23
- 66.213.128.0/19
- 67.136.93.0/24
- 67.208.224.0/19
- 67.213.160.0/20
- 67.230.192.0/19
- 68.170.192.0/20
- 69.147.0.0/20
- 69.147.2.0/24
- 69.147.4.0/24
- 69.147.44.0/22
- 69.147.52.0/22
- 69.147.55.0/24
- 69.166.105.0/24
- 69.195.0.0/20
- 70.98.210.0/24
- 71.19.160.0/19
- 72.5.65.0/24
- 72.10.64.0/19
- 72.20.192.0/18
- 74.80.190.0/24
- 74.114.161.0/24
- 74.114.162.0/24
- 74.114.163.0/24
- 74.114.164.0/22
- 74.212.179.0/24
- 74.213.234.0/24
- 74.213.235.0/24
- 74.216.0.0/16
- 76.78.123.0/24
- 79.141.32.0/20
- 79.183.247.0/24
- 82.98.192.0/21
- 82.98.232.0/21
- 82.98.240.0/20
- 85.95.46.0/24
- 91.208.131.0/24
- 94.26.98.0/24
- 94.31.0.0/18
- 95.164.96.0/20
- 97.107.64.0/24
- 97.107.65.0/24
- 103.139.130.0/23
- 104.36.8.0/21
- 104.145.0.0/20
- 104.224.2.0/24
- 104.251.96.0/20
- 107.178.32.0/20
- 128.177.0.0/16
- 129.35.162.0/24
- 129.192.170.0/24
- 129.192.171.0/24
- 129.192.189.0/24
- 141.193.226.0/24
- 142.194.0.0/16
- 144.83.0.0/16
- 149.64.226.0/24
- 150.169.12.0/24
- 159.18.0.0/16
- 159.246.52.0/24
- 162.223.4.0/22
- 162.223.112.0/22
- 162.245.96.0/22
- 162.249.88.0/21
- 162.251.150.0/24
- 162.253.136.0/21
- 164.90.20.0/24
- 167.217.0.0/16
- 167.254.229.0/24
- 168.102.128.0/20
- 168.254.5.0/24
- 170.81.198.0/24
- 172.110.64.0/20
- 173.46.64.0/20
- 173.241.208.0/20
- 176.46.143.0/24
- 176.46.146.0/24
- 184.94.0.0/17
- 192.40.232.0/21
- 192.64.252.0/24
- 192.75.172.0/24
- 192.94.120.0/24
- 192.124.45.0/24
- 192.132.44.0/24
- 192.197.156.0/24
- 193.28.62.0/23
- 193.28.104.0/23
- 193.34.72.0/23
- 193.34.74.0/23
- 193.160.88.0/22
- 198.60.184.0/22
- 198.90.96.0/22
- 198.100.128.0/21
- 198.136.150.0/24
- 199.5.171.0/24
- 199.16.106.0/24
- 199.43.120.0/24
- 199.85.120.0/22
- 199.87.52.0/22
- 199.96.32.0/22
- 199.96.40.0/22
- 199.119.160.0/22
- 199.164.64.0/18
- 199.164.68.0/24
- 199.199.36.0/24
- 199.212.160.0/19
- 200.123.205.0/24
- 200.123.207.0/24
- 204.9.72.0/21
- 204.14.211.0/24
- 204.19.20.0/23
- 204.128.64.0/19
- 204.128.96.0/19
- 204.128.96.0/24
- 205.159.43.0/24
- 206.165.102.0/24
- 206.191.64.0/18
- 206.222.64.0/19
- 206.254.231.0/24
- 207.11.241.0/24
- 207.126.96.0/19
- 207.181.64.0/18
- 207.190.143.0/24
- 207.230.224.0/19
- 207.235.128.0/17
- 207.235.133.0/24
- 207.235.136.0/24
- 207.235.146.0/24
- 207.235.148.0/24
- 207.235.149.0/24
- 207.235.150.0/24
- 207.235.151.0/24
- 207.235.152.0/24
- 207.235.153.0/24
- 207.235.154.0/24
- 207.235.155.0/24
- 207.235.157.0/24
- 207.235.158.0/24
- 207.235.160.0/24
- 207.235.161.0/24
- 207.235.255.0/24
- 207.245.0.0/18
- 207.245.192.0/18
- 208.39.192.0/18
- 208.67.56.0/22
- 208.67.192.0/21
- 208.70.197.0/24
- 208.83.248.0/21
- 208.91.200.0/22
- 208.184.0.0/15
- 208.187.29.0/24
- 209.66.64.0/18
- 209.82.0.0/17
- 209.82.160.0/19
- 209.90.52.0/24
- 209.90.58.0/24
- 209.105.164.0/24
- 209.112.0.0/18
- 209.133.0.0/17
- 2001:1b70:b3::/48
- 2001:438::/32
- 2001:4c8::/32
- 2001:4c8:1092::/48
- 2001:4c8:110a::/48
- 2001:df0:7c80::/48
- 2602:807:400c::/48
- 2602:fdbe::/36
- 2604:b040:b::/48
- 2604:e500::/32
- 2607:c200:1106::/48
- 2800:870:1002::/48
- 2a00:16f8::/32
A prefix here is a block this AS was seen originating in BGP, not a block it is guaranteed to own. Announcement and allocation are different facts, and they disagree more often than people expect.
Registry record
| Field | Value |
|---|---|
| ASNumber | 6461 |
| ASName | ZAYO-6461 |
| ASHandle | 6461 |
| RegDate | 1996-04-22 |
| Ref | https://rdap.arin.net/registry/autnum/6461 |
| source | ARIN |
| OrgAbuseHandle | ABUSE5675-ARIN |
| OrgAbuseName | Abuse |
| OrgAbusePhone | +1-866-236-2824 |
| OrgAbuseEmail | abuse@zayo.com |
| OrgAbuseRef | https://rdap.arin.net/registry/entity/ABUSE5675-ARIN |
| source | ARIN |
| OrgNOCHandle | ZIE-ARIN |
| OrgNOCName | Zayo IP Engineering |
| OrgNOCPhone | +1-866-236-2824 |
| OrgNOCEmail | ipeng@zayo.com |
| OrgNOCRef | https://rdap.arin.net/registry/entity/ZIE-ARIN |
| source | ARIN |
| OrgName | Zayo Bandwidth |
| OrgId | ZAYOB |
| Address | 1401 Wynkoop St. |
| City | Denver |
| StateProv | CO |
| PostalCode | 80202 |