Home ASN LookupAS55081

AS55081 24SHELLS - 24 SHELLS

🇺🇸

ARINassigned

Announced Prefixes (BGP)

33total

23 IPv410 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)40,960

IPv6 Addresses

Allocated (RIR)1.5×10²⁹

Announced (BGP)7.1×10²⁹

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2013-03-01

Routing hygiene

Score 70/100 · High risk

RPKI ROA coverage

39.4%

5 prefixes RPKI invalid

IRR route objects

78.8%

6 prefixes registered for another origin

Hijack signals

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

Upstreams

diversity 62/100

Announces 5 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
61% of announced prefixes (20 of 33) have no valid ROA, 5 of them RPKI invalid
4 prefixes registered in IRR route objects for another active network and not authorized by a ROA
21% of announced prefixes (7 of 33) have no IRR route object for this ASN

Based on 33 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)33

Prefix	RPKI	IRR	Last Seen
23.185.40.0/24Unalloc	No ROA	-	-
23.227.128.0/19	No ROA	ARINOther IRR	-
23.227.144.0/24	No ROA	ARINOther IRR	-
45.62.165.0/24	Valid	ARINOther IRR	-
67.220.176.0/20	No ROA	Other IRR	-
67.220.180.0/24	No ROA	Other IRR	-
94.74.187.0/24MOAS	Invalid	-	-
107.151.0.0/19	No ROA	Other IRR	-
107.151.20.0/24	No ROA	-	-
107.151.23.0/24	No ROA	-	-

1-10 of 33

1 / 4

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
2605:8dc0::/32	🇺🇸 US	ARIN	allocated
2607:4f00::/32	🇺🇸 US	ARIN	allocated

All 33 announced prefixes of AS55081 →

Downstream Customers(1)

ASN	Name
AS59678	🇺🇸SYSTEM36 SYSTEM36 LLC

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS55081 hands its own prefixes to: transit providers, or peers at an exchange.

AS6461Zayo Bandwidth15
AS3257GTT BACKBONE GTT Communications13
AS49544I3Dnet I3D.Net B.V3
AS14537Continent 81
AS29838Atlantic Metro Communications II1

Downstreams (3)

Networks whose own prefixes AS55081 passes on: usually its customers.

AS35916MULTACOM CORPORATION72
AS59678SYSTEM365
AS402517Data2

ASPA

No ASPA0 upstreams, 1 downstream

Listed as Upstream Provider by

1 ASN

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/55081

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

curl -s "https://api.ipctl.io/v1/asn/55081" | jq