BGP Announced

AS CIDR Description
AS5724 146.189.0.0/16 UMASSMED - University of Massachusetts Medical School, US

Real Time BGP Data

AS / Info IP / Time AS Path
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Reverse DNS List (Total:44)

IP Host DateTime
146.189.12.27 edsouthfp02.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.30 edpresbkup01.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.31 edunivssc01.umassmed.edu 2025-04-13 03:28:56
146.189.12.38 sstwds059182.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.40 mfp13558666.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.46 ummsaz-3wg8h63.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.54 win-02eng5524b4.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.55 sstdws060566.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.56 desktop-fvaqp7d.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.57 informa-tgl5qmv.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.70 sst12353dw60561.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.73 win-vmv5jd6ele6.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.77 sst12329dw60562.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.78 umwwdcg94f42.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.82 sstdws060565.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.92 ummsaz-3wg7h63.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.93 win-bvitbdb0hov.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.98 spx-hmp-001d50201c89.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.116 sstwds059178.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.121 win-tqj008sh172.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.133 win-9kgv2givkir.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.139 informa-l6g364t.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.140 win-77u2paj1bi6.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.149 sstdws052120.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.157 npi68d976.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.159 ummsaz-11z9qj3.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.160 sstdws060867.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.163 ummsaz-4yt6zc3.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.166 sstdws060853.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.169 sstwds059673.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.177 win-oeg42d2rav1.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.185 sstwds011111.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.196 dhcp-146-189-12-196.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.198 sstdws060546.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.200 rxadvsun01.umassmed.edu 2025-04-13 03:28:56
146.189.12.204 sstwddtmn2.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.207 sstwds054428.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.211 sstwd-s059184.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.212 sstdw13gxdw2.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.215 umwumms-qkbas4s.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.222 sstdws059123.ad.umassmed.edu 2025-04-14 03:21:35
146.189.12.241 sstdws060560.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.242 umwwds042811.ad.umassmed.edu 2025-04-13 03:28:56
146.189.12.243 xrx9c934e4a4ac2.ad.umassmed.edu 2025-04-13 03:28:56

Top 20 / total ASN

Country / Region Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 31312 1464538329 3459991856267404370
Brazil 9017 86336478 28726528348162
China 6575 346918052 147443577072496
India 5945 35523584 24457641185280
Russian Federation 5755 46686160 10821891502152
Indonesia 3565 17853440 1217556774912
Germany 3103 112763144 69647041953792
United Kingdom 3100 72783968 30997488926720
Australia 3007 40563504 20484212397824
Poland 2466 19496704 15525745005568
Canada 2433 54536808 4425449145600
France 2204 75272960 12213247542528
Ukraine 2005 8479232 5322933207040
Bangladesh 1866 1898752 908761563136
Netherlands 1596 52971728 27350000272896
Italy 1295 52395392 28586721411072
Argentina 1295 19703040 18772159365120
Hong Kong 1278 17804484 7875645932288
Japan 1267 159116136 33547349983232
Spain 1235 34575872 7530784034816