asn.dev

Autonomous system

AS36170 WESTMONT-SB

Unclassified ARIN

IPv4 addresses 4.10K 1 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Westmont College

United States of America · AI-generated

education business private college

The AS handle WESTMONT-SB is held by Westmont College.

What it's used for

  • The address space carries institutional traffic for a private Christian liberal arts college, evidenced by the netname WESTMONTNET and reverse DNS entries like ip187-254.outside.westmont.edu.
  • The network announces a single IPv4 prefix of 4096 addresses with 2 observed neighbours, indicating a small, self-contained campus network rather than a transit or large-scale access provider.

Notable

  • The registrant Westmont College matches the AS holder name, confirming direct ownership of the address space.
  • The inventory consists of a single contiguous /20 block, representing a standard allocation for a mid-sized educational institution.

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

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

2 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS22773Cox Communications Inc.576
AS5650Frontier Communications of America, Inc.352

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-28, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 1 prefixes · 4.10K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America1

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS36170
Registry name
WESTMONT-SB
Registrant
Westmont College
Abuse contact
abuse@westmont.edu
Registered
2013-05-30
Last changed
2013-05-30
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 16 with no ROA
ROAs
0 authorising AS36170
ASPA
no ASPA record
IRR
100% registered · 16 of 16 announcements
Route objects
16 naming AS36170

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: 448 networks and 1,849 prefixes, as published 2026-10-29. 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

Cross-check