$ query “AS19551” --type=asn → 1 result(s)

AS19551 · INCAPSULA

Incapsula Inc

AS19551 is run by Incapsula Inc and is a major transit provider, based in the United States since 2011. The system announces a solid 221 952 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in the Netherlands and Australia, and smaller footprints in 6 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 12, 2011
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
867 / 184
IPv6 Prefixes (raw / aggregated)
707 / 156
IPv4 Addresses
221 952
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/43
Geolocated Countries
🇺🇸 United States (206 336 IPs), 🇳🇱 Netherlands (11 008 IPs), 🇦🇺 Australia (3 072 IPs) and 6 more
Prefix Changed
April 29, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
39 upstreams providing transit
Peers
537 networks exchanging traffic without transit
Downstream Customers
163 downstreams buying transit
Unclassified
14 unclassified BGP neighbors
Degree
753 unique BGP neighbors
Reach
12 389 networks in customer cone

Upstream Providers (39)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS7713 — TELKOMNET-AS-AP
  • AS9002 — RETN-AS
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3549 — LVLT-3549
  • AS30844 — LIQUID-AS
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS4775 — GLOBE-TELECOM-AS
  • and 29 more

Prefix Lists

IPv4 Prefixes (867 total)

  • 45.223.64.0/18 (16 384 addresses (/18 prefix))
  • 45.223.128.0/19 (8 192 addresses (/19 prefix))
  • 45.60.64.0/19 (8 192 addresses (/19 prefix))
  • 45.60.128.0/19 (8 192 addresses (/19 prefix))
  • 107.154.160.0/19 (8 192 addresses (/19 prefix))
  • 45.60.0.0/19 (8 192 addresses (/19 prefix))
  • 107.154.112.0/20 (4 096 addresses (/20 prefix))
  • 107.154.144.0/20 (4 096 addresses (/20 prefix))
  • 45.60.96.0/20 (4 096 addresses (/20 prefix))
  • 45.60.32.0/20 (4 096 addresses (/20 prefix))
  • 45.60.240.0/20 (4 096 addresses (/20 prefix))
  • 45.223.48.0/20 (4 096 addresses (/20 prefix))
  • 107.154.16.0/20 (4 096 addresses (/20 prefix))
  • 45.223.16.0/20 (4 096 addresses (/20 prefix))
  • 45.223.160.0/20 (4 096 addresses (/20 prefix))
  • 131.125.144.0/20 (4 096 addresses (/20 prefix))
  • 107.154.192.0/20 (4 096 addresses (/20 prefix))
  • 107.154.64.0/20 (4 096 addresses (/20 prefix))
  • 107.154.224.0/20 (4 096 addresses (/20 prefix))
  • 107.154.136.0/21 (2 048 addresses (/21 prefix))
  • 149.126.72.0/21 (2 048 addresses (/21 prefix))
  • 107.154.8.0/21 (2 048 addresses (/21 prefix))
  • 107.154.88.0/21 (2 048 addresses (/21 prefix))
  • 131.125.136.0/21 (2 048 addresses (/21 prefix))
  • 45.223.240.0/21 (2 048 addresses (/21 prefix))
  • 192.230.120.0/21 (2 048 addresses (/21 prefix))
  • 107.154.104.0/21 (2 048 addresses (/21 prefix))
  • 45.60.200.0/21 (2 048 addresses (/21 prefix))
  • 107.154.40.0/21 (2 048 addresses (/21 prefix))
  • 45.223.192.0/21 (2 048 addresses (/21 prefix))
  • 45.223.176.0/21 (2 048 addresses (/21 prefix))
  • 45.60.160.0/21 (2 048 addresses (/21 prefix))
  • 45.60.120.0/21 (2 048 addresses (/21 prefix))
  • 107.154.208.0/21 (2 048 addresses (/21 prefix))
  • 199.83.128.0/21 (2 048 addresses (/21 prefix))
  • 45.223.32.0/21 (2 048 addresses (/21 prefix))
  • 45.60.48.0/21 (2 048 addresses (/21 prefix))
  • 45.223.0.0/21 (2 048 addresses (/21 prefix))
  • 192.230.88.0/21 (2 048 addresses (/21 prefix))
  • 107.154.4.0/22 (1 024 addresses (/22 prefix))
  • 45.223.216.0/22 (1 024 addresses (/22 prefix))
  • 45.60.60.0/22 (1 024 addresses (/22 prefix))
  • 45.60.112.0/22 (1 024 addresses (/22 prefix))
  • 107.154.132.0/22 (1 024 addresses (/22 prefix))
  • 198.143.60.0/22 (1 024 addresses (/22 prefix))
  • 45.60.168.0/22 (1 024 addresses (/22 prefix))
  • 107.154.100.0/22 (1 024 addresses (/22 prefix))
  • 192.230.80.0/22 (1 024 addresses (/22 prefix))
  • 107.154.216.0/22 (1 024 addresses (/22 prefix))
  • 107.154.60.0/22 (1 024 addresses (/22 prefix))
  • and 134 more

IPv6 Prefixes (707 total)

  • 2a02:e980:100::/43
  • 2a02:e980:60::/43
  • 2a02:e980:160::/43
  • 2a02:e980:80::/43
  • 2a02:e980:f0::/44
  • 2a02:e980::/44
  • 2a02:e980:50::/44
  • 2a02:e980:200::/44
  • 2a02:e980:220::/44
  • 2a02:e981:40::/44
  • 2a02:e980:a0::/44
  • 2a02:e980:1c0::/44
  • 2a02:e980:190::/44
  • 2a02:e980:130::/45
  • 2a02:e982:38::/45
  • 2a02:e980:10::/45
  • 2a02:e980:1a8::/45
  • 2a02:e980:40::/45
  • 2a02:e980:38::/45
  • 2a02:e980:1b0::/45
  • 2a02:e980:180::/45
  • 2a02:e980:b0::/45
  • 2a02:e981:50::/45
  • 2a02:e980:158::/45
  • 2a02:e982:48::/45
  • 2a02:e981:30::/45
  • 2a02:e980:c0::/45
  • 2a02:e981:28::/45
  • 2a02:e980:148::/45
  • 2a02:e980:1d0::/45
  • 2a02:e980:250::/45
  • 2a02:e980:d0::/45
  • 2a02:e980:128::/45
  • 2a02:e980:230::/45
  • 2a02:e980:28::/45
  • 2a02:e980:1e8::/45
  • 2a02:e981:68::/45
  • 2a02:e980:210::/45
  • 2a02:e980:13c::/46
  • 2a02:e980:188::/46
  • 2a02:e980:1f4::/46
  • 2a02:e980:ec::/46
  • 2a02:e982:40::/46
  • 2a02:e980:20::/46
  • 2a02:e980:120::/46
  • 2a02:e980:218::/46
  • 2a02:e980:1c::/46
  • 2a02:e980:238::/46
  • 2a02:e980:1a0::/46
  • 2a02:e980:1d8::/46
  • and 106 more