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:80)

IP Host DateTime
140.247.21.15 core-ids.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.16 sc-mr-1-trs.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.17 sc-mr-2-trs.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.18 ac.test.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.20 sc-mr-ts.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.22 ns1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.23 ad.nas.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.24 iptraf.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.25 argus.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.28 wins2.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.29 sniffer.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.32 jumpstart1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.33 webdav.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.36 dhcp-0038617436-a1-af.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.37 dhcp-0038617437-a0-ab.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.38 sc-mr-1-pix-21.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.45 noc-dev.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.46 mass1414-mr-1-bsc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.47 dhcp-0038617438-a1-45.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.50 zot.harvard.edu 2025-04-25 14:52:07
140.247.21.51 xxx.harvard.edu 2025-04-25 14:52:07
140.247.21.52 xxx.harvard.edu 2025-04-25 14:52:07
140.247.21.53 xxx.harvard.edu 2025-04-25 14:52:07
140.247.21.55 xxx.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.56 fas-noc-mcs.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.61 us11-21.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.63 fas-noc-hse.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.67 netflow.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.71 dhcp-0038617439-3f-73.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.72 fas-noc-acs-1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.80 cnrregion-dev.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.85 core-dev-1-vl21-alt.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.86 wcs.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.87 mass1414-lab-ts-1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.140 noc-csm-1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.155 fas-noc-cw2k-al.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.156 noc-cw-dfm-1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.158 fas-noc-ctr.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.159 fas-noc-sid-1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.160 fas-noc-acs-1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.161 cnrregion.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.167 dhcp-0016610187-54-a2.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.168 radius1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.169 radius2.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.170 argus2.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.171 cs-mars-gc.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.172 cs-mars1.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.173 cs-mars2.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.174 dhcp-0000116232-1d-23.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.181 voyence.noc.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.182 superagent1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.184 sce2.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.185 sce1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.190 dhcp-0016231481-d4-e5.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.191 auger.fas.harvard.edu 2025-04-29 02:28:48
140.247.21.195 noc-nms-laptop.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.197 net-100192.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.198 curly.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.199 dhcp-0000096610-b5-5c.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.200 dhcp-0038617440-ee-9d.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.202 dhcp-0000067366-22-4e.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.204 nocsys1.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.205 nocsys2.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.208 labchopper.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.209 dhcp-0038617441-c3-b7.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.212 dhcp-0000076921-00-66.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.215 dhcp-0017030936-24-2f.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.218 natkit.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.220 canary-cnr-hotzone.fas.harvard.edu 2025-04-29 02:28:49
140.247.21.222 us56.unix.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.223 monk.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.224 extralappy.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.225 net-105088.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.233 jazznew.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.235 nocsys-sql.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.242 mcgrath-4.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.243 dhcp-0000083924-76-64.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.247 dhcp-0000022709-0b-ee.client.student.harvard.edu 2025-04-25 14:52:07
140.247.21.252 ns1.client.fas.harvard.edu 2025-04-25 14:52:07
140.247.21.254 mayes.fas.harvard.edu 2025-04-25 14:52:07

Top 20 / total ASN

Country / Region Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 31364 1464397529 1153867184359547986
Brazil 9025 86183134 2305871798256373762
China 6564 346765988 147459300216432
India 5953 35290624 24474887507968
Russian Federation 5746 46627512 10706061996104
Indonesia 3582 17928704 1213295624192
Germany 3104 112776712 69586931023872
United Kingdom 3098 72750944 31071611715584
Australia 3010 40576560 20484212398080
Poland 2467 19490048 15495680300032
Canada 2439 54368616 4461150602496
France 2202 75286272 12174593033728
Ukraine 2009 8496128 5322934517760
Bangladesh 1867 1895424 900172808192
Netherlands 1599 51387856 27363116385792
Argentina 1298 19696640 18790413238272
Italy 1295 52408448 28646852132864
Hong Kong 1279 17874116 7811218604800
Japan 1266 159052904 33551438118912
Spain 1236 34572288 7530784034816