AS21725 Ritter Communications

RITTERNET-MIL - Ritter Communications · registered in the United States

IPv4 addresses4,09611 prefixes · <0.001% of announced IPv4

Rank in United States#4,679largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,787of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21725 in ASN lookup Look up an IP in this network (64.178.177.1) All networks in United States

IPv4 prefixes

All 11 prefixes, in address order.

64.178.177.0/24
64.178.178.0/23
64.178.181.0/24
64.178.182.0/23
64.178.186.0/24
64.178.188.0/23
74.221.8.0/23
74.221.10.0/24
74.221.12.0/23
74.221.14.0/24
207.65.46.0/24

Other ASNs named Ritter Communications

2 other networks use the same organisation name; together with AS21725 they announce 64,000 IPv4 addresses.

ASNNameIPv4 addresses

AS23404RITTERNET - Ritter Communications US56,320

AS46986RITTCT020 - Ritter Communications US3,584

Similar-sized networks in United States

ASNNameIPv4 addresses

AS20031#4676 SDP-ASN - The School District of Pittsburgh4,096

AS20167#4677 BLAST-IU17 - BLaST Intermediate Unit #174,096

AS20469#4678 TRIMETNET - Tri-County Metropolitan Transit District4,096

AS21833#4680 TRINITY-HEALTH - Trinity Health Corporation4,096

AS21843#4681 CITY-OF-BUFFALO - City of Buffalo4,096

AS21896#4682 ALLIANT-ENERGY - Alliant Energy4,096

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