Autonomous system
AS11455 USTR-ASN
Unclassified ARIN
Summary
US Technology Resources, LLC (UST)
enterprise legacy
USTR-ASN is US Technology Resources, LLC — the legal entity behind UST, the digital-transformation and IT services firm formerly branded UST Global, headquartered in Aliso Viejo, California. It announces five contiguous /24s from 208.78.176.0 upward, 1,280 addresses in total, with three observed BGP neighbours.
What it's used for
This is a corporate network belonging to an IT services company, not a service network sold to customers. The reverse DNS is the deciding evidence: every sampled address resolves to a generated name under ust-global.com (for example 5.180.78.208.ust-global.com), the company's own long-standing domain. Generated, reversed-octet PTRs across a whole block are what an organisation publishes when it delegates its rDNS zone and lets a template fill it — routine internal hygiene, and firmly first-party.
The five /24s all register to USTR-NET, org US Technology Resources, LLC. Holder, registrant and rDNS domain all agree, which rules out the leased-space pattern where a real company's AS number ends up announcing prefixes registered to unrelated third parties.
Notable
The neighbour count is the useful role signal. Three observed neighbours against 1,280 addresses is an enterprise buying redundant transit. A wholesale carrier of any size peers with hundreds to thousands of ASes; nothing about this network is selling connectivity onward.
Interesting
UST's brand and its registry identity have diverged — the company markets itself simply as "UST", while ARIN, the AS holder record and the rDNS all still carry the older US Technology Resources / ust-global naming. Registry data lags rebrands by years, which is a good reason not to dismiss an unfamiliar handle as stale.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-24, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 3 prefixes · 1.28K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 3 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS11455- Registry name
- USTR-ASN
- Registrant
- US Technology Resources, LLC
- Abuse contact
- homin.nair@ust-global.com
- Registered
- 2007-05-24
- Last changed
- 2012-03-20
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 5 with no ROA
- ROAs
- 0 authorising AS11455
- ASPA
- no ASPA record
- IRR
- 100% registered · 5 of 5 announcements
- Route objects
- 3 naming AS11455
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,779 prefixes, as published 2026-10-24. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere