Home Prefix Lookup207.250.110.0/23

207.250.110.0/23 - Wisconsin CyberLynk Network (AS21554)

IPv4ARINannouncedAS21554CYBERLYNK - Wisconsin CyberLynk Network, Inc.No ROA

CIDR

207.250.110.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

Franklin

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
207.250.110.0/23	AS21554 CYBERLYNK - Wisconsin CyberLynk Network, Inc.	No ROA	ARINOther IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
207.250.0.0/16	AS3549 LVLT-3549 - Level 3 Parent, LLC	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS21554	ARIN	MNT-WCNI	-
AS21554	Other IRR	MAINT-RR	2023-11-13

Transfer History

Registry transfers of 207.250.110.0/23, blocks inside it, or blocks containing it.

207.250.0.0/16M&A · 2022-03-23
tw telecom holdings, inc.
🇺🇸 US ARIN
→
Level 3 Parent, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-03-23	207.250.0.0/16	tw telecom holdings, inc. 🇺🇸 US ARIN	Level 3 Parent, LLC 🇺🇸 US ARIN	M&A

Origin ASN

AS21554

CYBERLYNK - Wisconsin CyberLynk Network, Inc.

Related Prefixes

Covering prefix

207.250.0.0/16AS3549

More prefixes of AS21554

All prefixes of AS21554 →

Geolocation

Country🇺🇸United StatesUS

RegionWisconsin

CityFranklin

Coordinates42.8618, -87.9828 ↗

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/207.250.110.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/207.250.110.0/23" | jq

External Links

RIPEstat