192.139.136.0/24 - bgp.tools

192.139.136.0/24

Originated by AS13582
AS Name: Cowan Systems, LLC

Overview
Connectivity
Whois
Validation

Registered on: 30 Oct 2018 (7 years old)

Registered to: ARIN-CSL-661 (arin); [Transfer History]

Prefix status: Active, Allocated under ARIN

Size of prefix: 1 /24's

Upstreams

AS33657 - Comcast Cable Communications, LLC
AS701 - Verizon Business

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Upstreams

	ASN	Description
	AS33657	Comcast Cable Communications, LLC
	AS701	Verizon Business

Peers

	ASN	Description
	AS33657	Comcast Cable Communications, LLC
	AS701	Verizon Business

Last Update: 2026-03-11T03:31:42Z UTC

IRR Databases

IRR	Expected ASN
radb	AS13582	Show Raw route: 192.139.136.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS13582 remarks: Proxy add for EDIA customer Cowan Systems mnt-by: MAINT-AS7922 changed: clifton_lambert@comcast.com 20211007 source: RADB last-modified: 2023-11-13T16:08:17Z
nttcom	AS4808	Show Raw route: 192.139.136.0/24 descr: CMI IP Transit origin: AS4808 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support@cmi.chinamobile.com 20160525 source: NTTCOM
radb	AS4808	Show Raw route: 192.139.136.0/24 descr: CMI (Customer Route) origin: AS4808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20160525 source: RADB last-modified: 2023-11-13T15:49:12Z

IRR

Expected ASN

radb

AS13582

Show Raw

route:          192.139.136.0/24
descr:          Comcast Cable Communications, Inc.
                1800 Bishops Gate Blvd
                Mt Laurel, NJ 08054
origin:         AS13582
remarks:        Proxy add for EDIA customer Cowan Systems
mnt-by:         MAINT-AS7922
changed:        clifton_lambert@comcast.com 20211007
source:         RADB
last-modified:  2023-11-13T16:08:17Z

nttcom

AS4808

Matches IRR source, but under a different ASN

Show Raw

route:          192.139.136.0/24
descr:          CMI IP Transit
origin:         AS4808
admin-c:        MAINT-CMI-INT-HK
tech-c:         MAINT-CMI-INT-HK
mnt-by:         MAINT-CMI-INT-HK
changed:        qas_support@cmi.chinamobile.com 20160525
source:         NTTCOM

radb

AS4808

Show Raw

route:          192.139.136.0/24
descr:          CMI  (Customer Route)
origin:         AS4808
mnt-by:         MAINT-AS58453
changed:        qas_support@cmi.chinamobile.com 20160525
source:         RADB
last-modified:  2023-11-13T15:49:12Z

View

Upstreams

Upstreams

Peers

IRR Databases