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

46 in total

Prefix RPKI Peers Sample path First seen
2001:420::/32 v6 RPKI valid 37 6939109 2026-09-18
2001:420:88::/48 v6 RPKI valid 37 6939109 2026-09-18
2001:420:89::/48 v6 RPKI valid 34 377213356109 2026-09-18
2001:420:8a::/48 v6 RPKI valid 37 6939109 2026-09-18
2001:420:8b::/48 v6 RPKI valid 37 6939109 2026-09-18
2001:420:8c::/48 v6 RPKI valid 36 6939109 2026-09-18
2001:420:8d::/48 v6 RPKI valid 36 6939109 2026-09-18
2001:420:8e::/48 v6 RPKI valid 33 345491680109 2026-09-18
2001:420:8f::/48 v6 RPKI valid 34 3454964534755109 2026-09-18
2001:420:91::/48 v6 RPKI valid 36 380014657109 2026-09-18
2001:420:92::/48 v6 RPKI valid 35 380013491109 2026-09-18
2001:420:93::/48 v6 RPKI valid 37 693946371221109 2026-09-18
2001:420:95::/48 v6 RPKI valid 34 377213356109 2026-10-06
2001:420:96::/48 v6 RPKI valid 37 6939109 2026-09-30
2001:420:1000::/40 v6 RPKI valid 34 377213356109 2026-09-18
2001:420:1100::/41 v6 RPKI valid 34 377213356109 2026-09-18
2001:420:1180::/41 v6 RPKI valid 37 6939109 2026-09-18
2001:420:1200::/41 v6 RPKI valid 37 6939109 2026-09-18
2001:420:2000::/35 v6 RPKI valid 37 6939109 2026-09-18
2001:420:4000::/36 v6 RPKI valid 36 6939109 2026-09-18
2001:420:4000::/40 v6 RPKI valid 36 6939109 2026-09-18
2001:420:4480::/45 v6 RPKI valid 33 345491680109 2026-09-18
2001:420:5000::/39 v6 RPKI valid 37 3800148262764109 2026-09-18
2001:420:5200::/39 v6 RPKI valid 34 3454964534755109 2026-09-18
2001:420:5400::/39 v6 RPKI valid 34 3454964534755109 2026-09-18
2001:420:5500::/40 v6 RPKI valid 34 3454964534755109 2026-09-18
2001:420:5600::/39 v6 RPKI valid 34 3454964534755109 2026-09-18
2001:420:5800::/39 v6 RPKI valid 35 380013491109 2026-09-18
2001:420:5a00::/39 v6 RPKI valid 35 380013491109 2026-09-18
2001:420:5c00::/39 v6 RPKI valid 36 380014657109 2026-09-18
2001:420:5e00::/39 v6 RPKI valid 35 380013491109 2026-09-18
2001:420:c0c0::/46 v6 RPKI valid 36 6939109 2026-09-18
2001:420:c0c4::/46 v6 RPKI valid 37 6939109 2026-09-18
2001:420:c0cc::/46 v6 RPKI valid 34 377213356109 2026-09-18
2001:420:c0d0::/46 v6 RPKI valid 37 3800148262764109 2026-09-18
2001:420:c0d4::/46 v6 RPKI valid 36 380014657109 2026-09-18
2001:420:c0d8::/46 v6 RPKI valid 35 380013491109 2026-09-18
2001:420:c0dc::/46 v6 RPKI valid 35 380013491109 2026-09-18
2001:420:c0e0::/46 v6 RPKI valid 34 3454964534755109 2026-09-18
2001:420:c0ec::/46 v6 RPKI valid 33 345491680109 2026-09-18
2001:420:c0f8::/46 v6 RPKI valid 36 6939109 2026-09-18
2001:420:c110::/45 v6 RPKI valid 37 6939109 2026-09-18
2001:420:c128::/47 v6 RPKI valid 36 380014657109 2026-09-18
2001:420:c130::/46 v6 RPKI valid 36 6939109 2026-09-18
2001:420:c134::/46 v6 RPKI valid 33 345491680109 2026-09-18
2001:420:c138::/46 v6 RPKI valid 36 6939109 2026-09-18