Autonomous system
AS14227 BTX-01 - Brownsville Public Library System
Unclassified ARIN
Summary
Brownsville Public Library System
government education infrastructure
A number that sat unannounced for a quarter of a century and appeared in routing this year.
What it's used for
- A public library system's network. 768 addresses across two IPv4 prefixes, with two observed BGP neighbours and no IPv6 announced.
Notable
- The AS was first seen in routing on
2026-04-23, though numbers in this range were issued around the turn of the century. - The AS handle is the registry's placeholder text for a number with no organisation recorded against it.
- Both
216.194.176.0/23and216.194.190.0/24carry the netnameBPLS-NOC. - Six addresses were queried for reverse DNS and none returned a name.
Interesting
- Almost every AS in this range has been announcing continuously since the routing archives began. This one shows up decades later, which means the number was assigned, never used, and eventually put to work by an organisation that had no part in obtaining it. Numbers are transferred far more quietly than addresses.
- The placeholder handle is the registry saying it has no current record of who holds this, while the address blocks underneath name the library system plainly. The two halves of the paperwork are out of step, and the newer half is the one with a name on it.
- A public library running its own AS number is more ambitious than most. Libraries are among the few civic institutions that offer public internet access as a service, which gives them a reason to control their own routing.
- Ending a netname in the abbreviation for a network operations centre is confident labelling for an organisation of this size.
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 2026-11-08, 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 · 1.02K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 3 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS14227- Registry name
- BTX-01
- Registrant
- Brownsville Public Library System
- Abuse contact
- ITNetwork@brownsvilletx.gov
- Registered
- 2026-01-02
- Last changed
- 2026-01-02
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 4 with no ROA
- ROAs
- 0 authorising AS14227
- ASPA
- no ASPA record
- IRR
- 100% registered · 4 of 4 announcements
- Route objects
- 10 naming AS14227
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: 455 networks and 1,854 prefixes, as published 2026-11-09. 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