Autonomous system
AS22012 REALOGY-MADISON - NRT Inc.
Unclassified ARIN
Summary
Realogy
business real-estate corporate
The AS handle REALOGY-MADISON is held by Realogy Group LLC.
What it's used for
- The address space carries internal corporate infrastructure, evidenced by the netname
REALOGYand registrantRealogy Group LLCacross all four prefixes. - The inventory consists of 2048 IPv4 addresses across 4 prefixes, with only 2 observed neighbours, indicating a small internal corporate estate rather than a transit or access network.
Notable
- All registrants align with the announcer, consistently listing
Realogy Group LLCfor the prefixes 167.182.124.0/22, 167.182.4.0/23, 167.182.120.0/24, and 167.182.122.0/24. - The address inventory is finely subdivided into four distinct blocks, consistent with site-by-site segmentation for a large corporate entity.
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 2026-11-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 4 prefixes · 2.05K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 4 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS22012- Registry name
- REALOGY-MADISON
- Registrant
- NRT Inc.
- Abuse contact
- nrthost@nrtinc.com
- Registered
- 2006-06-29
- Last changed
- 2013-11-25
- Allocation
- reserved
Routing security
RPKI and IRR
- RPKI
- 80% valid · 4 valid, 1 with no ROA
- ROAs
- 10 authorising AS22012
- ASPA
- no ASPA record
- IRR
- 20% registered · 1 of 5 announcements
- Route objects
- 1 naming AS22012
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: 453 networks and 1,846 prefixes, as published 2026-11-11. 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