// UMDNET //

AS Name: UMCP

Description: 5801 University Research Court University of Maryland College Park, MD 20742

Registry: RADB

aut-num: AS27
as-name: UMCP
descr: 5801 University Research Court University of Maryland College Park, MD 20742
admin-c: UMD-NOC
tech-c: UMD-NOC
notify: noc@umd.edu
mnt-by: MAINT-AS27
changed: egregory@umd.edu 20190918 #14:33:09Z
source: RADB
last-modified: 2023-11-13T15:57:46Z

Direct Membership

Macros that directly list AS27 as a member:

AS10886:AS-ISP-PART(11 members)
AS10886:AS-CPS-PART(13 members)
AS10886:AS-RE-PART(19 members)
AS-PCH(26 members)
AS-EUNIC-IX(31 members)
AS174:AS-COGC-033(45 members)
AS-CCF(1387 members)
AS-COMCAST-EDIA(2333 members)

Expanded Membership

All macros containing AS27 (directly or via nested macros): 422

Show 100 macros

AS-PCH(40 ASNs)
AS10886:AS-ISP-PART(43 ASNs)
AS-EQUINIX-GV(44 ASNs)
AS-EQUINIX-ZH(45 ASNs)
AS174:AS-COGC-033(45 ASNs)
AS4641:AS-CUHK-TRANSIT(51 ASNs)
AS10886:AS-RE-PART(52 ASNs)
AS-JINX-OPS(56 ASNs)
AS10886:AS-CPS-PART(57 ASNs)
AS-EUNIC-IX(70 ASNs)
AS-RUHRCIX(71 ASNs)
AS-RUHRCIX-V6(71 ASNs)
AS57891:AS-RUHRCIX(71 ASNs)
AS57891:AS-RUHRCIX-V6(71 ASNs)
AS-AGILESP(85 ASNs)
AS-EQUINIX-CH(107 ASNs)
AS142271:AS-CUSTOMER(153 ASNs)
AS-MERKEL(247 ASNs)
AS-RIX-RS(429 ASNs)
AS-EQUINIX-NORTH-AMERICA(543 ASNs)
AS15830:AS-EQUINIX-NORTH-AMERICA(543 ASNs)
AS6774:AS-BICS-CUST(588 ASNs)
AS-BELBONE(742 ASNs)
AS-BELBONEMEMBERS(742 ASNs)
AS-BELGACOMFRANCETOPEERS(742 ASNs)
AS-SWISSIX-OUTREACH(772 ASNs)
AS-EQUINIX-EU(880 ASNs)
AS-EQUINIX-EUROPE(880 ASNs)
AS-IXE-GVA(880 ASNs)
AS-IXEUROPE(880 ASNs)
AS-IXEUROPE-FR(880 ASNs)
AS-TELECITYGROUP(880 ASNs)
AS15830:AS-EQUINIX-EUROPE(880 ASNs)
AS-EQUINIX-EMEA(881 ASNs)
AS-INTERHOUSE-DE(881 ASNs)
AS-TELECITY-DE(881 ASNs)
AS15830:AS-EQUINIX-EMEA(881 ASNs)
AS197032:AS-ALL(1,089 ASNs)
AS15830:AS-EQUINIX-AMER(1,376 ASNs)
AS-CCF(1,474 ASNs)
AS-SET-SAIX-RS(1,526 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-LYONIX(1,598 ASNs)
AS174:AS-COGENT(1,618 ASNs)
AS-AAIX(1,621 ASNs)
AS11164:AS-PARTICIPANTS(1,830 ASNs)
AS11164:AS-ALL(1,835 ASNs)
AS11537:AS-PARTICIPANTS-BETA(1,841 ASNs)
AS11537:AS-CONE-BETA(1,847 ASNs)
AS57369:AS-FREMIX(2,042 ASNs)
AS-SWCMCUSTOMERS(2,044 ASNs)
AS3303:AS-SWCMCUSTOMERS(2,044 ASNs)
AS63927:AS-CUSTOMERS(2,163 ASNs)
AS30781:AS-JAGUAR-PEERING-LYONIX(2,213 ASNs)
AS20965:AS-FROM-INTERNET2-TO-GEANT(2,433 ASNs)
AS-IPTP-140951(2,474 ASNs)
AS-YYCIX-RS-CLIENTS(2,591 ASNs)
AS-FASTWEB-GLOBAL(2,641 ASNs)
AS-MEER(2,642 ASNs)
AS-CHIX-RS(2,676 ASNs)
AS-COMCAST-EDIA(2,771 ASNs)
AS293:AS-FROM-I2-TO-ESNET(2,941 ASNs)
AS-GEANTNRENPEERS(3,149 ASNs)
AS-BELBONETOPEERS(3,364 ASNs)
AS-BELGACOM(3,364 ASNs)
AS-EQUINIX(3,591 ASNs)
AS15830:AS-EQUINIX(3,591 ASNs)
AS-SOX-SRB(3,643 ASNs)
AS-BALKAN-IX-V6(3,646 ASNs)
AS6830:AS-AORTADE(4,015 ASNs)
AS34565:AS-TURKIX-PARTNERS(4,030 ASNs)
AS-BIGPIPE(4,349 ASNs)
AS-FOGIXP(4,422 ASNs)
AS213579:AS-IXP(4,422 ASNs)
AS47757:AS-PEERS(4,422 ASNs)
AS-KPN(4,751 ASNs)
AS-KPNV6(4,751 ASNs)
AS-KQ(4,751 ASNs)
AS215147:AS-PEERS(5,129 ASNs)
AS41073:AS-IPV4-INEX-PEERS(5,208 ASNs)
AS-BELL(5,257 ASNs)
AS577:AS-CUSTOMERS(5,257 ASNs)
AS-LIQUID(6,233 ASNs)
AS24748:AS-IX(8,694 ASNs)
AS-AORTA(11,961 ASNs)
AS6830:AS-AORTA(11,961 ASNs)
AS-SET-SEACOM(12,587 ASNs)
AS213973:AS-BCIX(13,844 ASNs)
AS213973:AS-PARTNERS(13,844 ASNs)
AS57328:AS-DDIX(13,844 ASNs)
AS59552:AS-SON-IX-RS(13,844 ASNs)
AS-EUNET(13,944 ASNs)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS-SAIX(15,195 ASNs)
AS-VOXILITY-SET(15,206 ASNs)
AS-RDSNET(16,878 ASNs)
AS-RDSTRANSIT(16,878 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-MATAV(17,357 ASNs)
AS-CN2(17,842 ASNs)
AS-WIOCC(18,067 ASNs)
... and 322 more

Upstream AS Paths

27 unique paths, avg length 2.9

AS Looking Glass

Upstream paths (matching graph above)

AS2497 → AS1299 → AS10886 → AS27
AS150000 → AS6939 → AS1299 → AS10886 → AS27
AS8888 → AS1299 → AS10886 → AS27
AS33185 → AS1299 → AS10886 → AS27
AS35008 → AS1299 → AS10886 → AS27
AS52320 → AS1299 → AS10886 → AS27
AS140627 → AS1299 → AS10886 → AS27
AS2497 → AS3257 → AS10886 → AS27
AS9002 → AS3257 → AS10886 → AS27
AS398465 → AS3257 → AS10886 → AS27
AS7594 → AS3356 → AS10886 → AS27
AS19653 → AS3356 → AS10886 → AS27
AS32590 → AS3356 → AS10886 → AS27
AS49544 → AS3356 → AS10886 → AS27
AS199524 → AS3356 → AS10886 → AS27
AS3214 → AS6461 → AS10886 → AS27
AS6939 → AS6461 → AS10886 → AS27
AS142271 → AS9304 → AS6461 → AS10886 → AS27
AS14537 → AS6461 → AS10886 → AS27
AS25091 → AS6461 → AS10886 → AS27

All 27 Upstream Paths

Complete list of all observed paths

AS293 → AS10886 → AS27
AS1299 → AS10886 → AS27
AS2497 → AS1299 → AS10886 → AS27
AS150000 → AS6939 → AS1299 → AS10886 → AS27
AS8888 → AS1299 → AS10886 → AS27
AS33185 → AS1299 → AS10886 → AS27
AS35008 → AS1299 → AS10886 → AS27
AS52320 → AS1299 → AS10886 → AS27
AS140627 → AS1299 → AS10886 → AS27
AS3257 → AS10886 → AS27
AS2497 → AS3257 → AS10886 → AS27
AS3491 → AS3257 → AS10886 → AS27
AS9002 → AS3257 → AS10886 → AS27
AS398465 → AS3257 → AS10886 → AS27
AS7594 → AS3356 → AS10886 → AS27
AS19653 → AS3356 → AS10886 → AS27
AS32590 → AS3356 → AS10886 → AS27
AS49544 → AS3356 → AS10886 → AS27
AS199524 → AS3356 → AS10886 → AS27
AS3214 → AS6461 → AS10886 → AS27
AS6939 → AS6461 → AS10886 → AS27
AS142271 → AS9304 → AS6461 → AS10886 → AS27
AS14537 → AS6461 → AS10886 → AS27
AS25091 → AS6461 → AS10886 → AS27
AS4181 → AS11164 → AS10886 → AS27
AS19151 → AS11164 → AS10886 → AS27
AS11537 → AS10886 → AS27

AS27 IPv4 Address Subnets (5)

128.8.0.0/16	🇺🇸 US	University of Maryland Division of Information Tec…	UMCP
129.2.0.0/16	🇺🇸 US	University of Maryland Division of Information Tec…	UMCP
192.54.96.0/21	🇺🇸 US	University of Maryland Division of Information Tec…	UMCP
192.54.100.0/22	🇺🇸 US	University of Maryland Division of Information Tec…	UMCP
192.54.94.0/23	🇺🇸 US	University of Maryland Division of Information Tec…	UMCP

AS27 IPv6 Address Subnets (6)

2605:880::/48	🇺🇸 US	UMCP
2605:880:1::/48	🇺🇸 US	UMCP
2605:880:10::/48	🇺🇸 US	UMCP
2605:880:20::/48	🇺🇸 US	UMCP
2605:880:22::/48	🇺🇸 US	UMCP
2605:880:30::/48	🇺🇸 US	UMCP