BGP Announced

AS CIDR Description
AS1742 140.247.0.0/16 HARVARD-UNIV - Harvard University, US

Real Time BGP Data

AS / Info IP / Time AS Path
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Reverse DNS List (Total:115)

IP Host DateTime
140.247.137.1 core-12-gw-vl137.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.49 aps-macpro2.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.54 aps-macpro1.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.55 widrs-pub20.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.56 widrs-pub19.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.58 widrs-pub17.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.59 widrs-pub16.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.61 widrs-pub15.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.62 widrs-pub14.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.64 itt-testimac.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.67 widrs-pub13.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.69 widrs-pub09.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.70 widrs-pub08.ad.fas.harvard.edu 2024-04-22 22:34:32
140.247.137.71 widrs-pub04.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.72 widrs-pub03.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.74 widrs-pub02.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.79 widrs-pub01.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.80 widrsmac08.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.82 widrs-rws01.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.86 widrs-pub12.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.90 widrs-pub06.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.99 widrs-pub05.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.100 its-ng1-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.101 its-ng.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.102 its-ramseym50.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.103 its-ramsey-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.104 its-ramsey-ms.hcl.harvard.edu 2024-04-22 22:34:32
140.247.137.105 its-zzhao2.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.106 its-zzhao.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.107 its-zzhao9.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.108 its-farrar380.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.109 its-ramsey-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.112 its-ngw7-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.113 its-ramseyw7.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.118 accnm-mfr06.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.121 mide-hopper-lt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.122 esm-hcl-netboot.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.128 its-zhao-dlgr.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.129 its-ng-dlgr.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.130 its-farrar-dlgr.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.131 its-perlman-dlgr.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.132 accnm-mfr01.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.137 acc-clarke-lt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.138 jud-gilboa-xp.hcl.harvard.edu 2024-04-22 22:34:32
140.247.137.139 acc-borrdir-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.140 acc-bookeye-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.141 acc-dibened-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.142 acc-circsta1-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.144 acc-kornilow-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.145 its-bernhw7-lt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.148 acc-delapuen-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.149 acc-sherlock-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.151 acc-barrasso-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.153 dhcp-0118096408-42-ff.client.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.154 acccir-bookscan.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.155 its-zzhao7.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.158 acc-check2-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.159 acc-checkin1-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.161 acc-genna-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.163 dhcp-0060049450-0c-60.client.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.164 accnm-mfr03.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.166 widener-dp.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.168 its-johnson-ms2.hcl.harvard.edu 2024-04-22 22:34:32
140.247.137.169 ill-staff3-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.170 its-quarta-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.177 its-gregson-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.178 dhcp-0057924286-40-c6.client.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.179 its-staff-mac1.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.181 its-perlm-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.182 its-burns-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.183 its-johnson-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.184 its-shared-mlt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.185 its-bernhar-mlt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.186 its-zzhao-lpt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.187 itt-loanad-mlp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.188 itt-liontest.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.194 pyramix.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.200 acc-hodgson-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.202 admin-g25-xp.hcl.harvard.edu 2024-04-22 22:34:32
140.247.137.203 ill-sullas-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.204 ill-tesfaye-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.207 dhcp-0060162052-89-96.client.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.208 dhcp-0060161993-8a-8e.client.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.209 pre-asistnt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.210 pre-nestor-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.211 pre-li-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.212 pre-white-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.216 ill-cai-ps.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.217 ill-bookeye-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.219 pre-donahoe-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.220 finserv-nick-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.221 acc-mcgrat1-mlt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.222 acc-phil1-ps.hcl.harvard.edu 2024-04-22 22:34:32
140.247.137.223 acc-giacchino.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.224 ill-staff.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.226 acc-phil2-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.227 wid-circ5-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.228 wid-circ4-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.229 wid-circ2-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.230 wid-circ1-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.232 hr-cox-lt.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.233 acc-ghkim-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.235 admin-ncline-imac.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.236 wid-circ3-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.237 fac-laplume-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.238 fac-security2.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.239 fac-security1.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.240 fac-jump-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.243 fac-temp-ps.ad.fas.harvard.edu 2024-04-20 02:55:06
140.247.137.244 fac-secmass2.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.246 cat-antonak-ps.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.247 admin-stats-xp.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.249 rs-ref1-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.251 its-ramseysl-ms.hcl.harvard.edu 2024-04-20 02:55:06
140.247.137.254 rs-farwell-mlt.hcl.harvard.edu 2024-04-20 02:55:06

Top 20 / total ASN

Country / Region Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 30419 1445901812 971495711059090
Brazil 9001 88031760 29376869666822
China 6732 372632952 129907453338240
Russian Federation 5802 47613458 294427523477312
India 5789 36212512 24456373243904
Australia 5023 42286964 20569917167872
Indonesia 3297 17795584 1324558712832
United Kingdom 3175 81146148 32014403239936
Germany 3097 113857576 71036777988096
Poland 2511 19279616 15951123059712
Canada 2349 55991224 3523309536256
France 2280 77259808 12875266850816
Ukraine 2115 9680384 5076033798144
Bangladesh 1755 1908236 1013879275520
Netherlands 1586 55646640 26109800416768
Italy 1300 52326096 28824793907200
Hong Kong 1268 17900148 1725691855616
Argentina 1260 19527904 18796763152384
Japan 1232 168093032 33532218048512
Spain 1224 34626048 7970913259520