AS18830 HMH

HMH-18830 - HMH · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#8,230largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,580of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS18830 in ASN lookup Look up an IP in this network (208.85.124.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

208.85.124.0/22

Other ASNs named HMH

1 other network uses the same organisation name; together with AS18830 they announce 1,536 IPv4 addresses.

ASNNameIPv4 addresses

AS17209NORTHWEST-EVALUATION-ASSOCIATION - HMH US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS18778#8227 CLA - CliftonLarsonAllen, LLP1,024

AS18787#8228 DANAHER - Danaher1,024

AS18827#8229 VGMFORBIN - Forbin1,024

AS18842#8231 VERTICAL-SCR - Business Information Group, Inc.1,024

AS18959#8232 RP-368-18959 - Radia Inc., PS1,024

AS18976#8233 UNICOM-SYSTEMS-INC - UNICOM Systems Inc.1,024

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