asn.dev

Autonomous system

AS400304 CRUNCHBITS

Hosting ARIN

IPv4 addresses 9.73K 17 prefixes
IPv6 prefixes 17 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 1 recorded by PCH
Upstreams 3 11 downstream
Flagged prefixes 0 none

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
Seattle Internet ExchangeSeattle, United States206.81.81.200

Transit providers

3 upstream, 11 downstream and 29 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS1299Arelion Sweden AB1,293
AS3257GTT Communications Inc.516
AS2914NTT America, Inc.100

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-26, 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 17 prefixes · 9.73K addresses IPv6 17 prefixes

CountryNamePrefixes
USUnited States of America34

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS400304
Registry name
SYNTEQ
Registrant
Redoubt Networks
Abuse contact
abuse-reports@synteq.com
Registered
2021-12-14
Last changed
2026-07-13
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 37 valid, 0 with no ROA
ROAs
19 authorising AS400304
ASPA
no ASPA record
IRR
100% registered · 37 of 37 announcements
Route objects
36 naming AS400304

Reputation

Classification and threat

Hosting Datacenter or cloud provider. Addresses are servers, not people.

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: 446 networks and 1,852 prefixes, as published 2026-10-27. 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