asn.dev

Autonomous system

AS19557 CHANGEIP-01

Unclassified ARIN

IPv4 addresses 2.05K 1 prefixes
IPv6 prefixes 3 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

ChangeIP

United States of America · AI-generated

business vpn legacy us

The AS handle CHANGEIP-01 is held by ChangeIP.

What it's used for

  • The address space carries ChangeIP infrastructure, evidenced by the netname SDBB-LEGACY-NETBLOCK-01 and reverse DNS entries pointing to changeip.com.
  • The AS announces 2048 IPv4 addresses and 3 IPv6 prefixes with only 1 observed neighbour, indicating a small, self-contained network rather than a transit provider.

Notable

  • The registrant CHANGEIP COM and the netname SDBB-LEGACY-NETBLOCK-01 align with the announcer, confirming the space is directly managed by the operator.
  • The inventory consists of a single IPv4 prefix 204.16.168.0/21 and three IPv6 prefixes, reflecting a compact, legacy-focused address estate.

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 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS23352DEFT.COM453

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-18, 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 · 2.05K addresses IPv6 3 prefixes

CountryNamePrefixes
USUnited States of America4

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS19557
Registry name
CHANGEIP-01
Registrant
CHANGEIP COM
Abuse contact
networking@changeip.cc
Registered
2005-10-21
Last changed
2012-03-02
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 9 with no ROA
ROAs
0 authorising AS19557
ASPA
no ASPA record
IRR
44% registered · 4 of 9 announcements
Route objects
9 naming AS19557

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 1,784 prefixes, as published 2026-10-19. 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