140.247.137.0/24

BGP Announced

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

Real Time BGP Data

AS / Info Prefix AS Path
Real-time BGP data for 140.247.137.0/24 is loaded by JavaScript after the page renders and is not part of this page's HTML.

Reverse DNS List (Total:114)

IP Host DateTime
140.247.137.1 core-12-gw-vl137.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.49 aps-macpro2.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.54 aps-macpro1.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.55 widrs-pub20.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.56 widrs-pub19.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.58 widrs-pub17.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.59 widrs-pub16.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.61 widrs-pub15.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.62 widrs-pub14.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.64 itt-testimac.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.67 widrs-pub13.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.70 widrs-pub08.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.71 widrs-pub04.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.72 widrs-pub03.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.74 widrs-pub02.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.79 widrs-pub01.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.80 widrsmac08.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.82 widrs-rws01.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.86 widrs-pub12.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.90 widrs-pub06.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.99 widrs-pub05.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.100 its-ng1-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.101 its-ng.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.102 its-ramseym50.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.103 its-ramsey-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.104 its-ramsey-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.105 its-zzhao2.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.106 its-zzhao.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.107 its-zzhao9.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.108 its-farrar380.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.109 its-ramsey-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.112 its-ngw7-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.113 its-ramseyw7.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.118 accnm-mfr06.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.121 mide-hopper-lt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.122 esm-hcl-netboot.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.128 its-zhao-dlgr.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.129 its-ng-dlgr.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.130 its-farrar-dlgr.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.131 its-perlman-dlgr.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.132 accnm-mfr01.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.137 acc-clarke-lt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.138 jud-gilboa-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.139 acc-borrdir-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.140 acc-bookeye-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.141 acc-dibened-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.142 acc-circsta1-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.144 acc-kornilow-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.145 its-bernhw7-lt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.148 acc-delapuen-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.149 acc-sherlock-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.151 acc-barrasso-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.153 dhcp-0118096408-42-ff.client.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.154 acccir-bookscan.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.155 its-zzhao7.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.158 acc-check2-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.159 acc-checkin1-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.161 acc-genna-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.163 dhcp-0060049450-0c-60.client.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.164 accnm-mfr03.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.166 widener-dp.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.168 its-johnson-ms2.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.169 ill-staff3-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.170 its-quarta-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.177 its-gregson-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.178 dhcp-0057924286-40-c6.client.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.179 its-staff-mac1.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.181 its-perlm-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.182 its-burns-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.183 its-johnson-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.184 its-shared-mlt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.185 its-bernhar-mlt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.186 its-zzhao-lpt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.187 itt-loanad-mlp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.188 itt-liontest.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.194 pyramix.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.200 acc-hodgson-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.202 admin-g25-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.203 ill-sullas-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.204 ill-tesfaye-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.207 dhcp-0060162052-89-96.client.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.208 dhcp-0060161993-8a-8e.client.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.209 pre-asistnt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.210 pre-nestor-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.211 pre-li-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.212 pre-white-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.216 ill-cai-ps.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.217 ill-bookeye-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.219 pre-donahoe-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.220 finserv-nick-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.221 acc-mcgrat1-mlt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.222 acc-phil1-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.223 acc-giacchino.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.224 ill-staff.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.226 acc-phil2-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.227 wid-circ5-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.228 wid-circ4-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.229 wid-circ2-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.230 wid-circ1-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.232 hr-cox-lt.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.233 acc-ghkim-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.235 admin-ncline-imac.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.236 wid-circ3-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.237 fac-laplume-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.238 fac-security2.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.239 fac-security1.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.240 fac-jump-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.243 fac-temp-ps.ad.fas.harvard.edu 2026-09-12 01:41:25
140.247.137.244 fac-secmass2.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.246 cat-antonak-ps.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.247 admin-stats-xp.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.249 rs-ref1-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.251 its-ramseysl-ms.hcl.harvard.edu 2026-09-12 01:41:25
140.247.137.254 rs-farwell-mlt.hcl.harvard.edu 2026-09-12 01:41:25

Top 20 / total ASN

Country / Region Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 32219 1497299200 975910303763789
Brazil 9157 77606656 31373490721038
China 6582 356442368 148181518405677
India 6264 35222528 24757297422338
Russian Federation 5752 47281664 11487351490128
Indonesia 3995 11931904 1335890477063
Germany 3253 114097664 72219796635914
United Kingdom 3148 71173888 33263329673219
Australia 3042 40737792 20616764002310
Canada 2518 54993920 4262402850822
Poland 2465 19310592 14416672134154
France 2174 74868480 12994736816131
Ukraine 2014 8336384 5178559168512
Bangladesh 2002 2099968 1166247198721
Netherlands 1619 51557120 19177824780814
Hong Kong 1363 20882176 5802796253456
Argentina 1349 18638848 19658027630592
Italy 1317 52913664 29680064266240
Japan 1277 161360384 33661432037381
Republic of Korea 1177 112819456 17726344724493