BGP Announced

AS CIDR Description
AS55 128.91.0.0/16 UPENN - University of Pennsylvania, US

Real Time BGP Data

AS / Info IP / Time AS Path
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Reverse DNS List (Total:62)

IP Host DateTime
128.91.56.12 octel.net.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.16 video-sw.dccs.upenn.edu 2025-05-30 03:02:09
128.91.56.17 ls1.net.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.33 vrrp.levy-vagelos.router.upenn.edu 2025-06-04 08:21:40
128.91.56.34 irb661.vagelos.router.upenn.edu 2025-06-04 08:21:40
128.91.56.35 irb661.levy.router.upenn.edu 2025-06-04 08:21:40
128.91.56.38 vagvoice1-gw.router.upenn.edu 2025-06-04 08:21:40
128.91.56.42 fdr-prep.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.46 fdr.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.48 sniffvoip.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.50 acd-edge-1.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.53 pps.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.57 new-fdr2.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.58 new-fdr1.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.65 vag-lev-voip-gw.router.upenn.edu 2025-06-04 08:21:40
128.91.56.66 vag-voip-gw.router.upenn.edu 2025-05-30 03:02:09
128.91.56.67 lev-voip-gw.router.upenn.edu 2025-06-04 08:21:40
128.91.56.79 vs1.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.129 levy-voip-gw.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.133 centrex-gw3.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.138 levyvoice1-gw.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.145 vs2.voice.isc.upenn.edu 2025-06-04 08:21:40
128.91.56.192 test-pool-56-192.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.193 test-pool-56-193.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.194 test-pool-56-194.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.195 test-pool-56-195.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.196 test-pool-56-196.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.197 test-pool-56-197.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.198 test-pool-56-198.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.199 test-pool-56-199.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.200 guest-pool1-56-200.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.201 guest-pool1-56-201.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.202 guest-pool1-56-202.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.203 guest-pool1-56-203.guest.nat.upenn.edu 2025-05-30 03:02:09
128.91.56.204 guest-pool1-56-204.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.205 guest-pool1-56-205.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.206 guest-pool1-56-206.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.207 guest-pool1-56-207.guest.nat.upenn.edu 2025-05-30 03:02:09
128.91.56.209 sys-dev-net-mgmt-gw.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.210 lev-devnet-a1-sw1.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.211 hnt-devnet-b1-sw1.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.212 modv-devnet-b1-sw1.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.213 ist-devnet-sw1.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.220 sys-dev-net-mgmt-gw-lev.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.221 sys-dev-net-mgmt-gw-brb.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.222 sys-dev-net-mgmt-gw-nic.dccs.upenn.edu 2025-06-04 08:21:40
128.91.56.230 nbc.router.upenn.edu 2025-06-04 08:21:40
128.91.56.233 hnt-nat-o.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.234 nat-gw-o.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.235 vag-nat-o.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.237 hnt-brdr-o.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.238 vag-nat-o.guest.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.241 hnt-nat-i.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.242 nat-gw-i.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.243 vag-nat-i.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.245 hnt-brdr-i.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.246 vag-brdr-i.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.249 hnt-nat-o.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.250 nat-gw-o.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.251 vag-nat-o.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.253 hnt-brdr-o.pennnet.nat.upenn.edu 2025-06-04 08:21:40
128.91.56.254 vag-brdr-o.pennnet.nat.upenn.edu 2025-06-04 08:21:40

Top 20 countries in total ASN

Country Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 31381 1463309133 1153867275719288914
Brazil 9037 86226398 2305871897990729730
China 6564 346799264 129893613128288
India 5969 35348480 24480594907136
Russian Federation 5748 46622776 10705793691720
Indonesia 3603 18073088 1225629728768
Germany 3109 112752904 69548054544384
United Kingdom 3108 71550336 31532536299520
Australia 3015 40588592 20514282543104
Poland 2465 19272192 15298114229248
Canada 2443 54437736 4438988948736
France 2201 75328768 12154271827456
Ukraine 2009 8261632 5013717516288
Bangladesh 1870 1933568 908494569472
Netherlands 1595 51310544 26556465939968
Argentina 1300 19708416 18815344377856
Italy 1298 52409856 28591018606592
Hong Kong 1280 18154148 8554605118208
Japan 1269 159027048 33573211799552
Spain 1233 34628352 7522246791168