Home ASN LookupAS26073

AS26073 COFRACTAL-001 - Cofractal, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

40total

19 IPv421 IPv6

IPv4 Addresses

Allocated (RIR)3,328

Announced (BGP)7,936

IPv6 Addresses

Allocated (RIR)1.3×10³⁰

Announced (BGP)1.3×10³⁰

Prefix Limit (IPv4)

Prefix Limit (IPv6)

100

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2018-06-15

Routing hygiene

Score 20/100 · Low risk

RPKI ROA coverage

45%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 62/100

55% of announced prefixes (22 of 40) have no valid ROA

Based on 40 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)40

Prefix	RPKI	IRR	Last Seen
23.139.160.0/24	Valid	ARINOther IRR	-
23.165.224.0/22	No ROA	ARIN	-
23.165.224.0/23	No ROA	ARIN	-
23.165.224.0/24	Valid	ARINOther IRR	-
23.165.225.0/24	Valid	Other IRR	-
23.165.226.0/23	No ROA	ARIN	-
23.165.227.0/24	Valid	ARIN	-
44.4.41.0/24	No ROA	Other IRR	-
158.51.16.0/22	Valid	ARIN	-
158.51.16.0/24	Valid	ARIN	-

1-10 of 40

1 / 4

Allocated Prefixes

(RIR)8

Prefix	Country	RIR	Status
23.139.160.0/24	🇺🇸 US	ARIN	allocated
23.165.224.0/22	🇺🇸 US	ARIN	allocated
158.51.16.0/22	🇺🇸 US	ARIN	allocated
208.80.44.0/22	🇺🇸 US	ARIN	allocated
2600:ec00::/28	🇺🇸 US	ARIN	allocated
2602:fe19::/32	🇺🇸 US	ARIN	allocated
2a0d:1a40:edef::/48	🇳🇱 NL	RIPE	assigned
2a0e:1cc0:10::/48	🇳🇱 NL	RIPE	assigned

All 40 announced prefixes of AS26073 →

Downstream Customers(5)

ASN	Name
AS923	🇺🇸HWS - Aconite Systems LLC
AS42615	🇺🇸igloo22225 June Slater
AS52025	🇬🇧PARADOXNETWORKS-LIMITED ParadoxNetworks Limited
AS54429	🇺🇸LOCAL-CONNECTIVITY-LAB - Local Connectivity Lab
AS205479	🇬🇧LGB-AS Luke Eiji Granger-Brown

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS26073 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric19
AS1299TWELVE99 Arelion Sweden AB16
AS174Cogent Communications5

Downstreams (12)

Networks whose own prefixes AS26073 passes on: usually its customers.

AS215069Oocm Office Of Consensus Maintenance6
AS923Aconite Systems4
AS21903Arnhem Networks4
AS399135617A Corporation4
AS205602BRINSTAR Seamus Caveney3
AS972Cofractal2
AS64241Wobscale Technologies2
AS395388Int3 Systems2
AS401461Accelerate Networks2
AS205479LGB Luke Eiji Granger Brown1
AS394119EXperimental Computing Facility Foundation1
AS401698NORTH JERSEY COMMUNICATIONS1

Other adjacent networks (2)

Adjacent to AS26073 in the transit part of AS paths: peers, providers or customers.

AS52025PARADOXNETWORKS LIMITED ParadoxNetworks Limited1
AS62623Cofractal1

ASPA

No ASPA0 upstreams, 5 downstreams

Listed as Upstream Provider by

5 ASNs

View full ASPA details →

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/26073

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/26073" | jq