192.52.61.0/24 - bgp.tools

192.52.61.0/24

Originated by AS3
AS Name: Massachusetts Institute of Technology

Overview
Connectivity
Whois
Validation

Registered on: 4 Apr 1989 (36 years old)

Registered to: a494e01d5cc058... (arin)

Prefix status: Active, Allocated under ARIN

Size of prefix: 1 /24's

Upstreams

AS3356 - Lumen (Level 3)
AS174 - Cogent Communications, LLC

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Display paths to Route Servers

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS3356	Lumen (Level 3)
	AS174	Cogent Communications, LLC

Peers

	ASN	Description
	AS293	ESnet
	AS10578	Harvard University
	AS6939	Hurricane Electric LLC
	AS3356	Lumen (Level 3)
	AS174	Cogent Communications, LLC

Last Update: 2026-03-07T03:31:00Z UTC

IRR Databases

IRR	Expected ASN
radb	AS198949	Show Raw route: 192.52.61.0/24 origin: AS198949 mnt-by: MAINT-AS198949 changed: eyal.even@securitydam.com 20250617 # 14:56 GMT source: RADB last-modified: 2025-06-17T14:56:33Z
radb	AS3	Show Raw route: 192.52.61.0/24 descr: NET-HAYSTACK-1 origin: AS3 notify: nets@ll.mit.edu mnt-by: MAINT-MITLL changed: ncs-nets@ll.mit.edu 20111202 #16:40:32Z source: RADB last-modified: 2023-11-13T15:41:55Z
radb	AS63	Show Raw route: 192.52.61.0/24 descr: NET-HAYSTACK-1 origin: AS63 remarks: notify: nets@ll.mit.edu mnt-by: MAINT-MITLL changed: nets@ll.mit.edu 19991216 source: RADB last-modified: 2023-11-13T15:39:32Z

IRR

Expected ASN

radb

AS198949

Matches IRR source, but under a different ASN

Show Raw

route:          192.52.61.0/24
origin:         AS198949
mnt-by:         MAINT-AS198949
changed:        eyal.even@securitydam.com 20250617 # 14:56 GMT
source:         RADB
last-modified:  2025-06-17T14:56:33Z

radb

AS3

Show Raw

route:          192.52.61.0/24
descr:          NET-HAYSTACK-1
origin:         AS3
notify:         nets@ll.mit.edu
mnt-by:         MAINT-MITLL
changed:        ncs-nets@ll.mit.edu 20111202  #16:40:32Z
source:         RADB
last-modified:  2023-11-13T15:41:55Z

radb

AS63

Show Raw

route:          192.52.61.0/24
descr:          NET-HAYSTACK-1
origin:         AS63
remarks:
notify:         nets@ll.mit.edu
mnt-by:         MAINT-MITLL
changed:        nets@ll.mit.edu 19991216
source:         RADB
last-modified:  2023-11-13T15:39:32Z

View

Upstreams

Upstreams

Peers

IRR Databases