Home Prefix Lookup75.100.0.0/16

75.100.0.0/16 - TDS TELECOM (AS4181)

IPv4ARINallocatedAS4181TDS-AS - TDS TELECOM RPKI Valid

CIDR

75.100.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Madison

RIR

ARIN

Status

allocated

Allocated

2006-07-25

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
75.100.0.0/16	AS4181 TDS-AS - TDS TELECOM	Valid	ARIN	2026-10-12

More-Specific Announcements

14 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
75.100.16.0/22	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.96.0/24	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.97.0/24	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.100.0/22	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.122.0/24	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.128.0/22	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.132.0/22	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.144.0/22	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.154.0/23	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.228.0/23	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.232.0/23	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.240.0/23	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.242.0/23	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12
75.100.251.0/24	AS4181 TDS-AS - TDS TELECOM	Invalid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
75.100.0.0/16	AS4181	/16	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4181	ARIN	MNT-TDST	-

Origin ASN

AS4181

TDS-AS - TDS TELECOM

Related Prefixes

More prefixes of AS4181

All prefixes of AS4181 →

Geolocation

Country🇺🇸United StatesUS

RegionWisconsin

CityMadison

Coordinates43.0722, -89.4007 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/75.100.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/75.100.0.0/16" | jq

External Links

RIPEstat