AS40123 Transaction Network Services, Inc.

R2G-2 - Transaction Network Services, Inc. · registered in the United States

IPv4 addresses3,3288 prefixes · <0.001% of announced IPv4

Rank in United States#5,220largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,722of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40123 in ASN lookup Look up an IP in this network (38.133.160.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

38.133.160.0/24
41.221.210.0/24
83.126.16.0/23
83.126.22.0/24
83.126.56.0/24
204.14.0.0/22
204.14.5.0/24
204.14.6.0/23

Other ASNs named Transaction Network Services, Inc.

4 other networks use the same organisation name; together with AS40123 they announce 17,664 IPv4 addresses.

ASNNameIPv4 addresses

AS13750TNSI-AS - Transaction Network Services, Inc. US10,752

AS19305TNSI-AS-19305 - Transaction Network Services, Inc. US2,816

AS18598CEQUINT-INC - Transaction Network Services, Inc. US512

AS12265R2G-1 - Transaction Network Services, Inc. US256

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS36724#5218 HCAS-3 - Hanson Communications, Inc.3,328

AS36782#5219 AS36782 - Keyway Network Systems3,328

AS40326#5221 ECKERD-COLLEGE - Eckerd College3,328

AS40841#5222 MARKETAXESS-INC-AS - MARKETAXESS HOLDINGS, INC.3,328

AS46379#5223 SIENA-COLLEGE - Siena University3,328

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