AS12273 — TRUELINK

AS12273 announces 2 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

The network of TransUnion Interactive, the arm of the credit bureau TransUnion that deals directly with consumers.

What it's used for

• Consumer-facing credit services. 2,048 addresses in two /22s, three observed BGP neighbours, no IPv6 announced.

Notable

• Reverse DNS is generated from an address plan rather than written by hand. Sampled names include net.sd.demo.truelink.com and bcast.xo-pvt.tuint.net — the network and broadcast addresses of subnets, labelled as such — and unallocated.truelink.com on space not yet handed out.
• The xo-pvt label marks a private circuit from XO Communications, one of the US carriers that sold point-to-point links alongside internet transit.
• Both blocks are registered as TRUELINK-BLK1 and TRUELINK-BLK2, with TrueLink NOC and TrueLink ARIN Tech as contacts.

Interesting

• Four names for one company are visible at once. The registrant reads Transunion Interactive, the AS handle is TRUELINK, the netnames say TRUELINK, and the reverse DNS answers on both truelink.com and tuint.net. TrueLink was the independent company TransUnion bought to run its consumer side; the acquisition changed the letterhead and left everything a network engineer touches exactly as it was.
• A bureau that holds credit files on most adults in the country needs somewhere for those adults to log in, and that is a different problem from the bulk data exchange it does with lenders. Its own company, AS and address space is a reasonable answer.
• Naming the broadcast address of every subnet in DNS is a habit from an era when engineers read traceroute output unassisted. It costs nothing and it still saves a minute.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 74.117.128.0/22
• 199.21.168.0/22

Upstream networks

• AS13335 Cloudflare, Inc.
• AS7786 NeuStar, Inc.
• AS701 Verizon Business
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS13335 Cloudflare, Inc.
• AS7786 NeuStar, Inc.
• AS701 Verizon Business
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 12 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 75% of announcements registered; 12 route objects.
• Listed in as-sets: AS-ITXBR1, AS-KDDCUSTOMER2, AS-NWN-TRANSIT, AS-TELSTRA-INTL-CUSTOMERS, AS-TRUELI-TU1, AS13335:AS-CUSTOMERS, AS14589:AS-CUSTS, AS14589:AS-CUSTS, AS37271:AS-TEST-CF.