137.53.0.0/16 - bgp.tools

137.53.0.0/16

Originated by AS11995
AS Name: Oregon Health & Science University

Overview
Connectivity
Whois
Validation

Registered on: 2 Nov 1989 (36 years old)

Registered to: ARIN-OHSU (arin)

Prefix status: Active, Allocated under ARIN

Size of prefix: 256 /24's

Upstreams

AS3701 - Link Oregon (University of Oregon)
AS33490 - Comcast (Portland/Spokane)

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Upstreams

	ASN	Description
	AS3701	Link Oregon (University of Oregon)
	AS33490	Comcast (Portland/Spokane)

Peers

	ASN	Description
	AS20055	Ziply Fiber
	AS53597	Hoyos Consulting LLC
	AS36236	NetActuate, Inc
	AS7782	Alaska Communications Systems Group, Inc.
	AS15191	Western Independent Networks, Inc.
	AS16276	OVH SAS
	AS55850	Mercury NZ Limited
	AS6939	Hurricane Electric LLC
	AS33490	Comcast (Portland/Spokane)
	AS3701	Link Oregon (University of Oregon)

Last Update: 2026-06-10T03:36:28Z UTC

IRR Databases

IRR	Expected ASN
arin	AS11995	Show Raw route: 137.53.0.0/16 origin: AS11995 descr: OHSU 3181 SW Sam Jackson Park Road ITG05 Portland OR 97239 admin-c: OHSUN-ARIN tech-c: OHSUN-ARIN mnt-by: MNT-OHSU created: 2022-03-03T19:07:56Z last-modified: 2025-02-18T18:12:29Z source: ARIN
radb	AS11995	Show Raw route: 137.53.0.0/16 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS11995 remarks: Proxy add for customer Oregon Health & Science University mnt-by: MAINT-AS7922 changed: chris_johnson8@cable.comcast.com 20160322 source: RADB last-modified: 2023-11-13T15:54:11Z
radb	AS198949	Show Raw route: 137.53.0.0/16 origin: AS198949 descr: OHSU mnt-by: MAINT-AS198949 changed: maya.tal@securitydam.com 20220718 #19:18:34Z source: RADB last-modified: 2023-11-13T16:11:47Z

IRR

Expected ASN

arin

AS11995

Show Raw

route:          137.53.0.0/16
origin:         AS11995
descr:          OHSU
                3181 SW Sam Jackson Park Road
                ITG05
                Portland OR 97239
admin-c:        OHSUN-ARIN
tech-c:         OHSUN-ARIN
mnt-by:         MNT-OHSU
created:        2022-03-03T19:07:56Z
last-modified:  2025-02-18T18:12:29Z
source:         ARIN

radb

AS11995

Show Raw

route:          137.53.0.0/16
descr:          Comcast Cable Communications, Inc.
                1800 Bishops Gate Blvd
                Mt Laurel, NJ  08054
origin:         AS11995
remarks:        Proxy add for customer Oregon Health & Science University
mnt-by:         MAINT-AS7922
changed:        chris_johnson8@cable.comcast.com 20160322
source:         RADB
last-modified:  2023-11-13T15:54:11Z

radb

AS198949

Matches IRR source, but under a different ASN

Show Raw

route:          137.53.0.0/16
origin:         AS198949
descr:          OHSU
mnt-by:         MAINT-AS198949
changed:        maya.tal@securitydam.com 20220718  #19:18:34Z
source:         RADB
last-modified:  2023-11-13T16:11:47Z

View

Upstreams

Upstreams

Peers

IRR Databases

RPKI Chain (Current origin: Valid)