Home ASN LookupAS4181

AS4181 TDS-AS - TDS TELECOM

🇺🇸

ARINassignedASPA Published

Announced Prefixes (BGP)

540total

536 IPv44 IPv6

IPv4 Addresses

Allocated (RIR)1.8M

Announced (BGP)2.1M

IPv6 Addresses

Allocated (RIR)1.4×10³⁰

Announced (BGP)1.4×10³⁰

Prefix Limit (IPv4)

2,000

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

1994-12-16

Routing hygiene

Score 37/100 · Medium risk

RPKI ROA coverage

17.8%

437 prefixes RPKI invalid

IRR route objects

99.3%

4 prefixes registered for another origin

Hijack signals

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

Upstreams

diversity 28/100

82% of announced prefixes (443 of 539) have no valid ROA, 437 of them RPKI invalid
Routes concentrated on one upstream (84% of routes)

Based on 539 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)540

Prefix	RPKI	IRR	Last Seen
24.40.80.0/20	Valid	ARIN	-
24.40.80.0/24	Invalid	-	-
24.40.84.0/24	Invalid	-	-
24.40.85.0/24	Invalid	-	-
24.40.86.0/23	Invalid	-	-
24.40.90.0/24	Invalid	-	-
24.40.91.0/24	Invalid	-	-
24.40.93.0/24	Invalid	-	-
24.49.96.0/20	Valid	ARIN	-
24.49.98.0/24	Invalid	-	-

1-10 of 540

1 / 54

Allocated Prefixes

(RIR)83

Prefix	Country	RIR	Status
24.40.80.0/20	🇺🇸 US	ARIN	allocated
24.49.96.0/20	🇺🇸 US	ARIN	allocated
24.49.128.0/20	🇺🇸 US	ARIN	allocated
24.49.160.0/20	🇺🇸 US	ARIN	allocated
24.52.0.0/21	🇺🇸 US	ARIN	allocated
24.52.8.0/22	🇺🇸 US	ARIN	allocated
24.52.18.0/23	🇺🇸 US	ARIN	allocated
24.52.20.0/22	🇺🇸 US	ARIN	allocated
24.52.32.0/22	🇺🇸 US	ARIN	allocated
24.54.128.0/20	🇺🇸 US	ARIN	allocated

1-10 of 83

1 / 9

All 540 announced prefixes of AS4181 →

Upstream Providers(2)

ASN	Name
AS1299	🇸🇪TWELVE99 Arelion Sweden AB
AS3257	🇺🇸GTT-BACKBONE GTT Communications Inc.

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS4181 hands its own prefixes to: transit providers, or peers at an exchange.

AS64289Macarne.Com452
AS1299TWELVE99 Arelion Sweden AB47
AS3257GTT BACKBONE GTT Communications36
AS6939Hurricane Electric3
AS11164Internet21

Downstreams (28)

Networks whose own prefixes AS4181 passes on: usually its customers.

AS54519US Signal Company, L.L.C11
AS395535Weiss Internet7
AS10747Epic Hosting5
AS396843Dean Health Plan5
AS396965Wildcard5
AS21896Alliant Energy4
AS14847Peck Servers2
AS16904Arvig Enterprises2
AS23083Ironcore2
AS3599CDW Technologies1
AS6547DCT Technologies1
AS10359Epic Systems Corporation1
AS12042Fidium1
AS13516Cancer Treatment Centers Of America1
AS16568PROMEGA CORPORATION1
AS20127Kleinschmidt1
AS22582Luminex Corporation1
AS23459Applebee1
AS32304Natus Medical1
AS32889Southwestern Wireless1
AS40709City Of Bend1
AS46165RESOUND GENISYS PUBLIC Resound Networks1
AS47039National Guardian Life Insurance Company1
AS53931Talquin Electric Coop1
AS55083Numerex1
AS395086SC Data Center1
AS396145Exact Sciences Corporation1
AS396491Qualtim1

Other adjacent networks (6)

Adjacent to AS4181 in the transit part of AS paths: peers, providers or customers.

AS60068CDN77 Datacamp Limited8
AS7342VeriSign Infrastructure & Operations2
AS4826Vocus Connect International Backbone1
AS168425Nines Data1
AS26042FiberState1
AS400726Airhawk Wireless1

ASPA

Published2 upstreams, 0 downstreams

Authorized Upstream Providers

AS1299 AS3257

Expires 2026-10-28

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/4181

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

curl -s "https://api.ipctl.io/v1/asn/4181" | jq