Home Prefix Lookup199.91.136.0/21

199.91.136.0/21 - BGP Prefix

IPv4ARINallocated RPKI Valid

CIDR

199.91.136.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Port Angeles

RIR

ARIN

Status

allocated

Allocated

2011-02-04

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
199.91.136.0/24	AS16839 SNC - SERVICENOW, INC.	Valid	-	2026-10-12
199.91.139.0/24	AS16839 SNC - SERVICENOW, INC.	Valid	-	2026-10-12
199.91.140.0/24	AS16839 SNC - SERVICENOW, INC.	Valid	-	2026-10-12
199.91.141.0/24	AS16839 SNC - SERVICENOW, INC.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
199.91.136.0/21	AS16839	/21	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS16839	ARIN	MNT-SERVI-181	2022-07-05
AS16839	Other IRR	MAINT-AS812	2026-03-10

Transfer History

Registry transfers of 199.91.136.0/21, blocks inside it, or blocks containing it.

199.91.136.0/21M&A · 2017-07-20
Service-now.com
🇺🇸 US ARIN
→
SERVICENOW, INC.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2017-07-20	199.91.136.0/21	Service-now.com 🇺🇸 US ARIN	SERVICENOW, INC. 🇺🇸 US ARIN	M&A

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CityPort Angeles

Coordinates48.1181, -123.4310 ↗

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/199.91.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/199.91.136.0/21" | jq

External Links

RIPEstat