Cisco Systems, Inc.
AS55219 is Cisco Systems, Inc. (cisco.com). It announces 1,536 IPv4 addresses in 3 prefixes, and 8 IPv6 prefixes.
United States· ARIN· allocated 2013-04-24· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States1,512 · 98.44%
- The Netherlands24 · 1.56%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SOURCEFIRE-LABS
- name
- Cisco Systems, Inc.
- org
- CS-985
- org name
- Cisco Systems, Inc.
- org address
- Talos, 8135 Maple Lawn Blvd, Fulton, MD, 20759
- org city
- Fulton
- org country
- US
- country
- US
- source
- arin
- created
- 2013-04-24
- updated
- 2015-07-01
- abuse name
- Gildas Atemkeng
- abuse email
- gatemken@cisco.com
- abuse phone
- +1-667-415-6660
- abuse kind
- person
- abuse city
- 20759
- abuse country
- US
- admin name
- Prasanth Bondalapati
- admin email
- pbondala@cisco.com
- admin phone
- +1-301-256-3412
- admin kind
- person
- admin city
- Fulton
- admin country
- US
- tech name
- Gildas Atemkeng
- tech email
- gatemken@cisco.com
- tech phone
- +1-667-415-6660
- tech kind
- person
- tech city
- 20759
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.46%
- None here
- None here
- None here
- None here
- None here
- Hosting IP25616.67%
- None here
- None here
- None here
- None here
- None here
- 1.24%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 172.110.204.0/22 | United States | valid | 16 | 2026-10-02 |
| 172.110.204.0/23 | United States | valid | 16 | 2026-10-02 |
| 198.148.78.0/23 | United States | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:28:c000::/48 | United States | valid | 19 | 2026-10-02 |
| 2620:121::/44 | United States | valid | 19 | 2026-10-02 |
| 2620:121::/48 | United States | valid | 19 | 2026-10-02 |
| 2620:121:1::/48 | United States | valid | 19 | 2026-10-02 |
| 2620:121:2::/48 | United States | valid | 19 | 2026-10-02 |
| 2620:121:4::/48 | United States | valid | 19 | 2026-10-02 |
| 2620:121:6::/48 | United States | valid | 19 | 2026-10-02 |
| 2620:121:7::/48 | The Netherlands | valid | 19 | 2026-10-02 |
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