asn.dev

Autonomous system

AS13621 REINSURANCE

Unclassified ARIN

IPv4 addresses 1.79K 5 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 1 recorded by PCH
Upstreams 5 0 downstream
Flagged prefixes 0 none

Summary

Reinsurance Group of America

United States · AI-generated

finance business enterprise

A netname suffixed with a country code, on a company whose business is spreading risk across all of them.

What it's used for

  • A reinsurance company's network. 1,536 addresses across five IPv4 prefixes, five observed BGP neighbours, and no IPv6 announced.

Notable

  • Three blocks are netname RGA-US, initials with a country suffix, registered to the company.
  • 12.219.219.0/24 is netname ATT-NET-12-219-0-0, registered to a carrier.
  • One prefix's registry lookup failed, so nothing is known about its registration here.
  • Fifteen addresses were queried for reverse DNS and none returned a name.

Interesting

  • A country suffix on a netname is a company that expects siblings elsewhere. Reinsurers operate through separately capitalised entities in each market, so the naming anticipates address space registered under different regional registries with the same initials.
  • Five upstreams for 1,536 addresses is a high ratio, and it fits the business. Reinsurance is settlement, treaty data and catastrophe modelling exchanged with cedents on schedules, and the volumes are small while the consequences of being unreachable are not.
  • The blocks come from three unrelated ranges plus one carrier's, which is the shape of space acquired over decades: a little from the early days, a little bought later, and a little rented.

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

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
Megaport DallasDallas, United States206.53.174.29

Transit providers

5 upstream, 0 downstream and 5 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS15830Equinix (EMEA) Acquisition Enterprises B.V.160
AS7018AT&T Enterprises, LLC155
AS3356Level 3 Parent, LLC62
AS2686AT&T Enterprises, LLC18
AS2687AT&T Enterprises, LLC14

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, 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 5 prefixes · 1.79K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America5

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS13621
Registry name
REINSURANCE
Registrant
Reinsurance Group of America, Incorporated
Abuse contact
christopher.fortner@rgare.com
Registered
1999-07-15
Last changed
2026-09-23
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
57% valid · 4 valid, 3 with no ROA
ROAs
3 authorising AS13621
ASPA
no ASPA record
IRR
71% registered · 5 of 7 announcements
Route objects
7 naming AS13621

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 1,771 prefixes, as published 2026-10-15. 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