Home Prefix Lookup173.240.158.0/23

173.240.158.0/23 - Interserver (AS19318)

IPv4ARINannouncedAS19318IS-AS-1 - Interserver, IncNo ROA

CIDR

173.240.158.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

Secaucus

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
173.240.158.0/23	AS19318 IS-AS-1 - Interserver, Inc	No ROA	ARIN	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS19318	ARIN	MNT-VNL-68	2025-04-04
AS401678	ARIN	MNT-VNL-68	2026-10-08

Transfer History

Registry transfers of 173.240.158.0/23, blocks inside it, or blocks containing it.

173.240.144.0/20Transfer · 2022-12-09
Fusion Communications, LLC
🇺🇸 US ARIN
→
BisectHosting
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-12-09	173.240.144.0/20	Fusion Communications, LLC 🇺🇸 US ARIN	BisectHosting 🇺🇸 US ARIN	Transfer

Origin ASN

AS19318

IS-AS-1 - Interserver, Inc

Related Prefixes

More prefixes of AS19318

All prefixes of AS19318 →

Geolocation

Country🇺🇸United StatesUS

RegionNew Jersey

CitySecaucus

Coordinates40.7880, -74.0546 ↗

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/173.240.158.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/173.240.158.0/23" | jq

External Links

RIPEstat