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
Loading...

Reverse DNS List (Total:80)

IP Host DateTime
140.247.21.15 core-ids.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.16 sc-mr-1-trs.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.17 sc-mr-2-trs.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.18 ac.test.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.20 sc-mr-ts.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.22 ns1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.23 ad.nas.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.24 iptraf.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.25 argus.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.27 wins1.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.28 wins2.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.29 sniffer.noc.fas.harvard.edu 2025-09-17 23:40:05
140.247.21.32 jumpstart1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.33 webdav.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.36 dhcp-0038617436-a1-af.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.37 dhcp-0038617437-a0-ab.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.38 sc-mr-1-pix-21.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.39 test-ap.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.45 noc-dev.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.46 mass1414-mr-1-bsc.fas.harvard.edu 2025-09-17 23:39:50
140.247.21.47 dhcp-0038617438-a1-45.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.50 zot.harvard.edu 2025-09-14 00:59:04
140.247.21.51 xxx.harvard.edu 2025-09-14 00:59:04
140.247.21.52 xxx.harvard.edu 2025-09-14 00:59:04
140.247.21.53 xxx.harvard.edu 2025-09-14 00:59:04
140.247.21.55 xxx.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.56 fas-noc-mcs.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.61 us11-21.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.63 fas-noc-hse.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.67 netflow.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.72 fas-noc-acs-1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.80 cnrregion-dev.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.85 core-dev-1-vl21-alt.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.86 wcs.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.87 mass1414-lab-ts-1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.140 noc-csm-1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.155 fas-noc-cw2k-al.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.156 noc-cw-dfm-1.fas.harvard.edu 2025-09-17 23:39:50
140.247.21.158 fas-noc-ctr.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.159 fas-noc-sid-1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.160 fas-noc-acs-1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.161 cnrregion.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.167 dhcp-0016610187-54-a2.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.168 radius1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.169 radius2.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.170 argus2.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.171 cs-mars-gc.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.172 cs-mars1.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.173 cs-mars2.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.174 dhcp-0000116232-1d-23.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.181 voyence.noc.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.182 superagent1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.184 sce2.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.185 sce1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.190 dhcp-0016231481-d4-e5.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.191 auger.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.195 noc-nms-laptop.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.197 net-100192.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.198 curly.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.199 dhcp-0000096610-b5-5c.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.200 dhcp-0038617440-ee-9d.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.202 dhcp-0000067366-22-4e.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.204 nocsys1.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.205 nocsys2.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.209 dhcp-0038617441-c3-b7.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.212 dhcp-0000076921-00-66.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.215 dhcp-0017030936-24-2f.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.218 natkit.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.220 canary-cnr-hotzone.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.222 us56.unix.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.223 monk.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.224 extralappy.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.225 net-105088.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.233 jazznew.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.235 nocsys-sql.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.242 mcgrath-4.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.243 dhcp-0000083924-76-64.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.247 dhcp-0000022709-0b-ee.client.student.harvard.edu 2025-09-14 00:59:04
140.247.21.252 ns1.client.fas.harvard.edu 2025-09-14 00:59:04
140.247.21.254 mayes.fas.harvard.edu 2025-09-14 00:59:04

Top 20 countries in total ASN

Country Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 31529 1490241977 1154150139349904978
Brazil 9051 82366526 2305872535481716994
China 6567 348502432 147635034343776
India 6058 35861248 24474104700928
Russian Federation 5729 46727088 12436187164744
Indonesia 3694 17925632 1241688670208
Germany 3132 112780296 70457574490112
United Kingdom 3108 71672768 29371739930624
Australia 3010 40515888 20522922743296
Poland 2454 19518464 14295265776640
Canada 2437 54709096 4660972880128
France 2165 75387714 12463796913664
Ukraine 2011 8231168 5140692271104
Bangladesh 1895 1920000 1059411591168
Netherlands 1598 51547280 20506682983936
Argentina 1312 19779584 18860984172544
Hong Kong 1296 18237532 5727803081472
Italy 1290 52464384 28870240174080
Japan 1267 159271784 33564881911808
Republic of Korea 1168 113041424 167225589760