AS16617 CISP

COMMUNITYISP - CISP · registered in the United States

IPv4 addresses24,32026 prefixes · <0.001% of announced IPv4

Rank in United States#1,973largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,572of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS16617 in ASN lookup Look up an IP in this network (64.31.64.1) All networks in United States

IPv4 prefixes

All 26 prefixes, in address order.

64.31.64.0/23
64.31.66.0/24
64.31.67.0/24
64.31.68.0/22
64.31.72.0/21
64.31.80.0/20
64.254.128.0/23
64.254.130.0/23
64.254.132.0/22
64.254.136.0/24
64.254.137.0/24
64.254.138.0/23
64.254.140.0/22
67.211.160.0/22
67.211.164.0/23
67.211.166.0/24
67.211.168.0/21
68.70.176.0/21
68.70.184.0/21
205.251.160.0/22
205.251.164.0/23
205.251.166.0/24
205.251.167.0/24
205.251.168.0/22
205.251.172.0/23
205.251.174.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS22302#1970 INOC - INOC, LLC24,320

AS7226#1971 DATABANK-LATISYS - Latisys-Denver, LLC24,320

AS10487#1972 SIMPLENET - Simple Network Communications, Inc24,320

AS20134#1974 MBCL - Mediatti Broadband Communications, LLC24,320

AS36732#1975 COMCAST-36732 - Comcast Cable Communications, LLC24,064

AS8002#1976 STEALTH - Stealth Communications Services, LLC24,064

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources