Downstream networks

AS2153 CENIC-2153

Unclassified ARIN

Transit

Downstream networks

inferred

Networks for which AS2153 was observed as the last hop before the origin, meaning it appears to provide them transit.

AS	Network	Type	Families	Paths seen
AS2152	CENIC	Unclassified	IPv4 IPv6	3,243
AS2907	Research Organization of Information and Systems, National Institute of Informatics	Unclassified	IPv4	604
AS668	United States Department of Defense (DoD)	Business	IPv4	191
AS195	San Diego Supercomputer Center	Unclassified	IPv4 IPv6	184
AS7575	Australian Academic and Research Network (AARNet)	Education	IPv4	168
AS6192	University of California, Davis	Education	IPv4 IPv6	103
AS7377	University of California, San Diego	Education	IPv4 IPv6	97
AS52	University of California, Los Angeles	Unclassified	IPv4 IPv6	61
AS46985	The Regents of the University of California - University of California, San Diego.	Unclassified	IPv4	43
AS31	California Institute of Technology	Unclassified	IPv4 IPv6	31
AS299	University of California, Irvine	Unclassified	IPv4 IPv6	31
AS131	University of California, Santa Barbara	Unclassified	IPv4	30
AS40498	New Mexico Lambda Rail, Inc.	Unclassified	IPv4	29
AS293	ESnet	Unclassified	IPv4	27
AS17579	KISTI	Education	IPv4	27
AS26397	The Regents of the University of California - University of California, San Diego.	Unclassified	IPv4	26
AS5653	University of California San Francisco	Education	IPv4	25
AS11096	FloridaNet	Education	IPv4	23
AS11537	Internet2	Unclassified	IPv4	22
AS32361	UltraLight	Unclassified	IPv4	22
AS257	Navy Network Information Center (NNIC)	Unclassified	IPv4	20
AS32	Stanford University	Unclassified	IPv4 IPv6	15
AS5739	University of California, Santa Cruz	Education	IPv4 IPv6	13
AS38022	REANNZ National Research and Education Network	Unclassified	IPv4	13
AS396310	San Diego State University	Unclassified	IPv4	12
AS6106	University of California, Riverside	Education	IPv4 IPv6	8
AS6360	University of Hawaii	Education	IPv4	7
AS7539	National Center for High-performance Computing	Education	IPv4	7
AS22323	University of California, Merced	Unclassified	IPv4	7
AS9	Carnegie Mellon University	Unclassified	IPv4	6
AS16	Lawrence Berkeley National Laboratory	Unclassified	IPv4	6
AS2037	California State University at Fresno	Unclassified	IPv4	6
AS7960	California Polytechnic State University	Education	IPv4	6
AS26488	Santa Clara University	Unclassified	IPv4	6
AS396465	California State University, Sacramento	Unclassified	IPv4	6
AS46357	California Polytechnic State University	Unclassified	IPv4	5
AS47	University of Southern California	Unclassified	IPv4	4
AS24	National Aeronautics and Space Administration	Unclassified	IPv4 IPv6	2
AS6509	CANARIE Inc	Education	IPv4	2
AS160	The University of Chicago	Education	IPv4	1

Derived from routing tables collected at 2026-10-14 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.25M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.