AS1640 Thacker-Grigsby Communications

TGTEL - Thacker-Grigsby Communications · registered in the United States

IPv4 addresses24,5767 prefixes · <0.001% of announced IPv4

Rank in United States#1,949largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,516of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS1640 in ASN lookup Look up an IP in this network (68.64.112.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

68.64.112.0/20
69.57.96.0/20
76.72.192.0/20
199.59.84.0/22
199.116.152.0/21
199.192.120.0/22
208.56.128.0/19

Similar-sized networks in United States

ASNNameIPv4 addresses

AS18463#1946 MILLPOND-NET-01 - Mill Pond Networks LLC24,576

AS395461#1947 APOG-AUSTIN - Apogee Telecom Inc.24,576

AS1265#1948 SAINT-MARYS-AS - Saint Mary's College24,576

AS7268#1950 ATHENET - Athenet Internet Services24,576

AS7968#1951 LOYOLA-UNIV-CHICAGO - Loyola University Chicago24,576

AS10821#1952 PIONEERINTERNET - The Pioneer Telephone Association, Inc.24,576

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