206208 looking glass

AS109 CISCO SYSTEMS, INC. 🇺🇸 US

Announcing 142 prefixes, seen at the RIS collectors.

IPv4 prefixes
96
1,597,440 (6,240 × /24)
IPv6 prefixes
46
1.3 × /32
Upstreams
17
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS109
Name
CISCO SYSTEMS, INC.
Organisation
Cisco Systems, Inc.
Country
🇺🇸 US
RIR
ARIN
Allocated
1987-05-06
Network type
Enterprise
Scope
Global
Peering policy
Selective
IRR as-set
AS-CISCO
Website
http://www.cisco.com
PeeringDB
net/5219
Exchanges
9
Facilities
16

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

138 valid (97.2%) 0 invalid (0.0%) 4 no ROA (2.8%)

Announced prefixes

96 in total

Prefix RPKI Peers Sample path First seen
12.5.186.0/23 v4 no ROA 43 7018701109 2026-09-18
12.19.88.0/21 v4 no ROA 48 6939109 2026-09-18
12.159.148.0/22 v4 RPKI valid 43 7018109 2026-09-18
64.100.0.0/16 v4 RPKI valid 44 7018109 2026-09-18
64.101.0.0/18 v4 RPKI valid 44 7018109 2026-09-18
64.101.64.0/18 v4 RPKI valid 44 377216939109 2026-09-18
64.101.96.0/19 v4 RPKI valid 44 7018109 2026-09-18
64.101.128.0/18 v4 RPKI valid 44 377216939109 2026-09-18
64.101.192.0/19 v4 RPKI valid 44 7018109 2026-09-18
64.101.224.0/19 v4 RPKI valid 44 377216939109 2026-09-18
64.102.0.0/16 v4 RPKI valid 44 7018109 2026-09-18
64.102.249.0/24 v4 RPKI valid 43 7018109 2026-09-18
64.103.0.0/16 v4 RPKI valid 44 377216939109 2026-09-18
64.103.0.0/17 v4 RPKI valid 43 345491299109 2026-09-18
64.103.40.0/21 v4 RPKI valid 48 6939109 2026-09-18
64.103.48.0/21 v4 RPKI valid 48 6939109 2026-09-18
64.103.64.0/19 v4 RPKI valid 48 6939109 2026-09-18
64.103.96.0/20 v4 RPKI valid 48 6939109 2026-09-18
64.103.128.0/17 v4 RPKI valid 43 345499498109 2026-09-18
64.104.0.0/16 v4 RPKI valid 44 377216939109 2026-09-18
64.104.0.0/18 v4 RPKI valid 43 380013491109 2026-09-18
64.104.64.0/19 v4 RPKI valid 42 345494657109 2026-09-18
64.104.96.0/19 v4 RPKI valid 43 380013491109 2026-09-18
64.104.124.0/24 v4 RPKI valid 43 380013491109 2026-09-18
64.104.128.0/19 v4 RPKI valid 43 345499498109 2026-09-18
64.104.160.0/19 v4 RPKI valid 43 380013491109 2026-09-18
64.104.192.0/18 v4 RPKI valid 43 46081221109 2026-09-18
64.104.204.0/23 v4 RPKI valid 43 46081221109 2026-09-18
64.104.206.0/23 v4 RPKI valid 43 46081221109 2026-09-18
66.187.208.0/20 v4 RPKI valid 48 6939109 2026-09-18
72.163.0.0/16 v4 RPKI valid 44 377216939109 2026-09-18
72.163.0.0/18 v4 RPKI valid 44 377213356109 2026-09-18
72.163.4.0/24 v4 RPKI valid 44 377213356109 2026-09-18
72.163.7.0/24 v4 RPKI valid 44 377213356109 2026-09-18
72.163.64.0/20 v4 RPKI valid 44 377213356109 2026-09-18
72.163.80.0/20 v4 RPKI valid 48 6939109 2026-09-18
72.163.96.0/19 v4 RPKI valid 44 7018109 2026-09-18
72.163.128.0/18 v4 RPKI valid 43 345499498109 2026-09-18
72.163.192.0/19 v4 RPKI valid 43 345499498109 2026-09-18
72.163.224.0/19 v4 RPKI valid 43 380013491109 2026-09-18
72.163.240.0/23 v4 RPKI valid 43 701841344812109 2026-09-18
72.163.248.0/22 v4 RPKI valid 43 701841344812109 2026-09-18
103.60.32.0/22 v4 RPKI valid 43 701841344812109 2026-09-18
111.223.8.0/22 v4 RPKI valid 43 701841344812109 2026-09-18
128.107.0.0/16 v4 RPKI valid 44 377216939109 2026-09-18
128.107.0.0/23 v4 RPKI valid 43 557206939109 2026-09-18
128.107.2.0/23 v4 RPKI valid 44 377213356109 2026-09-18
128.107.4.0/23 v4 RPKI valid 48 6939109 2026-09-18
128.107.6.0/23 v4 RPKI valid 42 7018109 2026-09-18
128.107.8.0/23 v4 RPKI valid 48 6939109 2026-09-18
128.107.10.0/23 v4 RPKI valid 42 345491299109 2026-09-18
128.107.12.0/23 v4 RPKI valid 45 345491680109 2026-09-18
128.107.14.0/23 v4 RPKI valid 43 345499498109 2026-09-18
128.107.18.0/23 v4 RPKI valid 42 345494657109 2026-09-18
128.107.20.0/23 v4 RPKI valid 43 380013491109 2026-09-18
128.107.22.0/23 v4 RPKI valid 43 46081221109 2026-09-18
128.107.24.0/23 v4 RPKI valid 43 345495511483717621109 2026-09-18
128.107.34.0/23 v4 RPKI valid 44 377213356109 2026-10-06
128.107.36.0/23 v4 RPKI valid 48 6939109 2026-09-30
128.107.38.0/23 v4 RPKI valid 42 7018109 2026-09-18
128.107.40.0/23 v4 RPKI valid 48 6939109 2026-09-18
128.107.54.0/23 v4 RPKI valid 43 46081221109 2026-09-18
144.254.0.0/16 v4 RPKI valid 43 345491299109 2026-09-18
161.44.0.0/16 v4 RPKI valid 44 7018109 2026-09-18
171.68.0.0/14 v4 RPKI valid 44 377216939109 2026-09-18
173.36.0.0/14 v4 RPKI valid 44 377216939109 2026-09-18
173.36.0.0/17 v4 RPKI valid 48 6939109 2026-09-18
173.37.0.0/20 v4 RPKI valid 44 377213356109 2026-09-18
173.37.16.0/20 v4 RPKI valid 48 6939109 2026-09-18
173.37.64.0/18 v4 RPKI valid 44 377213356109 2026-09-18
173.37.128.0/19 v4 RPKI valid 48 6939109 2026-09-18
173.37.145.0/24 v4 RPKI valid 48 6939109 2026-09-18
173.37.160.0/19 v4 RPKI valid 44 377213356109 2026-09-18
173.37.192.0/18 v4 RPKI valid 44 377213356109 2026-09-18
173.38.0.0/17 v4 RPKI valid 44 7018109 2026-09-18
173.38.128.0/17 v4 RPKI valid 43 345491299109 2026-09-18
173.39.0.0/18 v4 RPKI valid 43 345499498109 2026-09-18
173.39.64.0/19 v4 RPKI valid 43 345499498109 2026-09-18
173.39.96.0/19 v4 RPKI valid 42 345494657109 2026-09-18
173.39.128.0/19 v4 RPKI valid 43 380013491109 2026-09-18
173.39.144.0/21 v4 RPKI valid 43 380013491109 2026-09-18
173.39.152.0/21 v4 RPKI valid 43 380013491109 2026-09-18
173.39.160.0/19 v4 RPKI valid 43 380013491109 2026-09-18
173.39.192.0/20 v4 RPKI valid 43 380013491109 2026-09-18
173.39.200.0/23 v4 RPKI valid 43 701841344812109 2026-09-18
192.118.76.0/22 v4 no ROA 45 345491680109 2026-09-18
192.118.78.0/23 v4 no ROA 43 377218551109 2026-09-18
192.133.192.0/19 v4 RPKI valid 44 7018109 2026-09-18
192.133.224.0/20 v4 RPKI valid 44 7018109 2026-09-18
192.133.240.0/22 v4 RPKI valid 43 7018109 2026-09-18
192.135.250.0/24 v4 RPKI valid 48 6939109 2026-09-18
198.133.219.0/24 v4 RPKI valid 43 557206939109 2026-09-18
198.135.0.0/21 v4 RPKI valid 44 7018109 2026-09-18
204.69.198.0/23 v4 RPKI valid 43 557206939109 2026-09-18
204.69.200.0/24 v4 RPKI valid 43 557206939109 2026-09-18
216.128.32.0/19 v4 RPKI valid 43 345491299109 2026-09-18