$ query “AS109” --type=asn → 1 result(s)

AS109 · CISCO-EU-109

Cisco Systems Global ASN - ARIN Assigned

AS109 is owned by Cisco Systems Global ASN - ARIN Assigned and is an enterprise stub network, based in the United States since 2002. The system announces an impressive 1.1 million IPv4 addresses, including a /14, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Australia and China, and a smaller footprint in another country.

Basic Information

Country
🇺🇸 United States
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 15, 2002
Last Changed
May 10, 2026
Last Seen
June 16, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
93 / 24
IPv6 Prefixes (raw / aggregated)
43 / 1
IPv4 Addresses
1 149 696
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (1 734 656 IPs), 🇦🇺 Australia (13 312 IPs), 🇨🇳 China (3 072 IPs) and 1 more
Prefix Changed
May 14, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
17 upstreams providing transit
Peers
3 networks exchanging traffic without transit
Degree
20 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (17)

  • AS6939 — HURRICANE
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS9498 — BBIL-AP
  • AS701 — UUNET (Tier-1 transit)
  • AS4755 — TATACOMM-AS
  • AS3491 — PCCWG-AS (Tier-1 transit)
  • AS4637 — ASN-TELSTRA-GLOBAL
  • AS4657 — STARHUB-INTERNET
  • and 7 more

Prefix Lists

IPv4 Prefixes (93 total)

  • 64.100.0.0/14 (262 144 addresses (/14 prefix))
  • 173.36.0.0/14 (262 144 addresses (/14 prefix))
  • 171.68.0.0/14 (262 144 addresses (/14 prefix))
  • 72.163.0.0/16 (65 536 addresses (/16 prefix))
  • 64.104.0.0/16 (65 536 addresses (/16 prefix))
  • 128.107.0.0/16 (65 536 addresses (/16 prefix))
  • 144.254.0.0/16 (65 536 addresses (/16 prefix))
  • 161.44.0.0/16 (65 536 addresses (/16 prefix))
  • 216.128.32.0/19 (8 192 addresses (/19 prefix))
  • 192.133.192.0/19 (8 192 addresses (/19 prefix))
  • 66.187.208.0/20 (4 096 addresses (/20 prefix))
  • 192.133.224.0/20 (4 096 addresses (/20 prefix))
  • 198.135.0.0/21 (2 048 addresses (/21 prefix))
  • 12.19.88.0/21 (2 048 addresses (/21 prefix))
  • 192.118.76.0/22 (1 024 addresses (/22 prefix))
  • 12.159.148.0/22 (1 024 addresses (/22 prefix))
  • 111.223.8.0/22 (1 024 addresses (/22 prefix))
  • 192.133.240.0/22 (1 024 addresses (/22 prefix))
  • 103.60.32.0/22 (1 024 addresses (/22 prefix))
  • 204.69.198.0/23 (512 addresses (/23 prefix))
  • 12.5.186.0/23 (512 addresses (/23 prefix))
  • 192.135.250.0/24 (256 addresses (/24 prefix))
  • 198.133.219.0/24 (256 addresses (/24 prefix))
  • 204.69.200.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (43 total)

  • 2001:420::/32