AS55219
Cisco Systems, Inc. Enterprise registered in United States
3IPv4 prefixes
9IPv6 prefixes
100%RPKI-valid
#38,838AS Rank
#2,763Rank in United States
2013-04-24Allocated
Cisco Systems, Inc. (AS55219) — Enterprise, registered in United States. announces 3 IPv4 prefixes + 9 IPv6 prefixes. Rank in United States: #2763. Allocated: 2013-04-24.
IPv4 3IPv6 9
Announced prefixes · 12
- v4 172.110.204.0/22 valid
- v4 172.110.204.0/23 valid
- v4 198.148.78.0/23 valid
- v6 2620:121:1::/48 valid
- v6 2620:121:2::/48 valid
- v6 2620:121:4::/48 valid
- v6 2620:121:5::/48 valid
- v6 2620:121:6::/48 valid
- v6 2620:121:7::/48 valid
- v6 2620:121::/44 valid
- v6 2620:121::/48 valid
- v6 2620:28:c000::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 12 |
| 2026-06-13 | 12 |
Internet Exchanges · 6
- Equinix Ashburn Ashburn 20 Gbps
- Equinix San Jose San Jose 20 Gbps
- Equinix Chicago Chicago 2 Gbps
- Equinix Dallas Dallas 2 Gbps
- AMS-IX Amsterdam 1 Gbps
- Equinix Amsterdam Amsterdam 1 Gbps
Facilities · 5
- Equinix AM3 - Amsterdam, Science Park Amsterdam
- Equinix CH1/CH2/CH4 - Chicago Chicago
- Equinix DA7 - Dallas Plano
- Equinix DC1-DC15,DC21-DC22 - Ashburn Ashburn
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose San Jose
AS topology · Customer cone 1
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