asn.dev

Autonomous system

AS17324 ALNET

Unclassified ARIN

IPv4 addresses 65.54K 1 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Yeshiva University

United States of America · AI-generated

education business campus

ALNET is operated by Yeshiva University.

What it's used for

  • The space carries the university's internal network, identified by the netname ALNET and registrant Yeshiva University.
  • The AS announces 65536 IPv4 addresses in a single /16 prefix and 1 IPv6 prefix, with only 3 observed neighbours, indicating a self-contained campus network rather than a transit provider.

Notable

  • The registrant Yeshiva University aligns directly with the AS handle ALNET and the announced address space.
  • The address inventory consists of a single contiguous IPv4 block and one IPv6 prefix, typical of a large institutional allocation.

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 4 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS54004Cablevision Lightpath LLC272
AS3754NYSERNet40

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-21, 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 · 65.54K addresses IPv6 1 prefixes

CountryNamePrefixes
USUnited States of America2

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS17324
Registry name
ALNET
Registrant
Yeshiva University
Abuse contact
infosec@yu.edu
Registered
2000-08-21
Last changed
2012-03-02
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 14 valid, 0 with no ROA
ROAs
2 authorising AS17324
ASPA
no ASPA record
IRR
100% registered · 14 of 14 announcements
Route objects
3 naming AS17324

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 2026-10-22. 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