asn.dev

Autonomous system

AS22315 SBCSS

Unclassified ARIN

IPv4 addresses 64.77K 80 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 5 see address space

Summary

San Bernardino County Superintendent of Schools

United States of America · AI-generated

education government k12 california

The AS handle SBCSS is held by San Bernardino County Superintendent of Schools.

What it's used for

  • The address space carries educational network traffic, evidenced by the reverse DNS record NAT-20-255.sbcss.k12.ca.us and the consistent netname SBCSS across all registrants.
  • The AS announces 64768 IPv4 addresses across 80 prefixes while maintaining only 1 observed neighbour, a ratio that indicates an internal corporate estate rather than a transit or access provider.

Notable

  • All registrants for the largest prefixes agree with the announcer, listing "San Bernardino County Superintendent of Schools; NOC" as the registrant.
  • The address inventory is finely subdivided into numerous /21 and /22 blocks within the 163.150.0.0/16 range, reflecting site-by-site segmentation for the 33 school districts served by the agency.

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

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS2152CENIC3,776

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-31, 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 80 prefixes · 64.77K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America80

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS22315
Registry name
SBCSS
Registrant
San Bernardino County Superintendent of Schools
Abuse contact
noc@sbcss.net
Registered
2001-09-07
Last changed
2012-03-02
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 59 with no ROA
ROAs
0 authorising AS22315
ASPA
no ASPA record
IRR
100% registered · 59 of 59 announcements
Route objects
1 naming AS22315

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: 447 networks and 1,845 prefixes, as published 2026-10-31. 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