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IPinfo - Comprehensive IP address data, IP geolocation API and database

Summary

ASNAS16 Lawrence Berkeley National Laboratory
BGP128.3.0.0/16
IPs with RDNS76
Hosted Domains0
Pingable IPs12
Router IPs0
128.3.131.00
128.3.131.1alsuri-t88.dhcp.lbl.gov0
128.3.131.20
128.3.131.30
128.3.131.40
128.3.131.5smp47-ipong3w93.dhcp.lbl.gov0
128.3.131.60
128.3.131.7itwsstore-w08.dhcp.lbl.gov0
128.3.131.80
128.3.131.9pferracin-t37.dhcp.lbl.gov0
128.3.131.100
128.3.131.110
128.3.131.120
128.3.131.130
128.3.131.140
128.3.131.150
128.3.131.160
128.3.131.17tshen-t51.dhcp.lbl.gov0
128.3.131.18mohs2.dhcp.lbl.gov0
128.3.131.190
128.3.131.200
128.3.131.210
128.3.131.220
128.3.131.23nixtesting.dhcp.lbl.gov0
128.3.131.24epowell-t29.dhcp.lbl.gov0
128.3.131.250
128.3.131.26xrwang-w94.dhcp.lbl.gov0
128.3.131.270
128.3.131.280
128.3.131.290
128.3.131.300
128.3.131.31dfowler-w30.dhcp.lbl.gov0
128.3.131.320
128.3.131.330
128.3.131.340
128.3.131.35b46-230conf-t43.dhcp.lbl.gov0
128.3.131.360
128.3.131.3746-224-cabmach4s600.dhcp.lbl.gov0
128.3.131.38gvallone-w19.dhcp.lbl.gov0
128.3.131.390
128.3.131.40sakenany-t72.dhcp.lbl.gov0
128.3.131.41bbaker2-w60.dhcp.lbl.gov0
128.3.131.420
128.3.131.430
128.3.131.44mohs3.dhcp.lbl.gov0
128.3.131.450
128.3.131.460
128.3.131.47mjchin-t67.dhcp.lbl.gov0
128.3.131.48raedeleon-w24.dhcp.lbl.gov0
128.3.131.490
128.3.131.50simonejohns-w57.dhcp.lbl.gov0
128.3.131.510
128.3.131.520
128.3.131.53bhsouza-w72.dhcp.lbl.gov0
128.3.131.540
128.3.131.550
128.3.131.560
128.3.131.570
128.3.131.580
128.3.131.590
128.3.131.600
128.3.131.610
128.3.131.6220-88-10-ea-9e-d5.dhcp.lbl.gov0
128.3.131.630
128.3.131.640
128.3.131.650
128.3.131.66yufanyan-w33.dhcp.lbl.gov0
128.3.131.67izr-46a-1126.dhcp.lbl.gov0Ping
128.3.131.68eng-pantest.dhcp.lbl.gov0
128.3.131.690
128.3.131.700
128.3.131.71varomin-w02.dhcp.lbl.gov0
128.3.131.720
128.3.131.730
128.3.131.74xildev4-new.dhcp.lbl.gov0
128.3.131.750
128.3.131.760
128.3.131.77kbdiep-t14.dhcp.lbl.gov0
128.3.131.780
128.3.131.790
128.3.131.800
128.3.131.81zdietderich-w06.dhcp.lbl.gov0
128.3.131.820
128.3.131.830
128.3.131.840
128.3.131.850
128.3.131.860
128.3.131.87rdao-w89.dhcp.lbl.gov0
128.3.131.88bjvollmer-w92.dhcp.lbl.gov0
128.3.131.890
128.3.131.900
128.3.131.91smp58aovenlkt36.dhcp.lbl.gov0
128.3.131.920
128.3.131.93ndey-t50.dhcp.lbl.gov0
128.3.131.940
128.3.131.950
128.3.131.960
128.3.131.97mjchin-w18.dhcp.lbl.gov0Ping
128.3.131.980
128.3.131.990
128.3.131.100rdao-tester3.dhcp.lbl.gov0
128.3.131.101mohs.dhcp.lbl.gov0
128.3.131.1020
128.3.131.1030
128.3.131.1040
128.3.131.105danawaz-w35.dhcp.lbl.gov0
128.3.131.1060
128.3.131.107helpdesk-t20.dhcp.lbl.gov0
128.3.131.1080
128.3.131.1090
128.3.131.110tshen-t144.dhcp.lbl.gov0Ping
128.3.131.111rdao-vm-w89.dhcp.lbl.gov0
128.3.131.1120
128.3.131.1130
128.3.131.1140
128.3.131.115jrosborn-w20.dhcp.lbl.gov0
128.3.131.1160
128.3.131.117b46-271conf-t25.dhcp.lbl.gov0Ping
128.3.131.1180
128.3.131.119ecanderssen-t92.dhcp.lbl.gov0
128.3.131.1200
128.3.131.1210
128.3.131.1220
128.3.131.1230
128.3.131.1240
128.3.131.125apersaud-carbon.dhcp.lbl.gov0
128.3.131.126na12138001108.dhcp.lbl.gov0
128.3.131.1270
128.3.131.1280
128.3.131.1290
128.3.131.1300
128.3.131.131yeyang-w35.dhcp.lbl.gov0
128.3.131.1320
128.3.131.1330
128.3.131.1340
128.3.131.135kpeterson2-m14.dhcp.lbl.gov0
128.3.131.1360
128.3.131.137smp58bovenldt16.dhcp.lbl.gov0
128.3.131.1380
128.3.131.1390
128.3.131.1400
128.3.131.141eburon-w25.dhcp.lbl.gov0
128.3.131.14248-4d-7e-f7-b9-af.dhcp.lbl.gov0
128.3.131.1430
128.3.131.144xrwang-t14.dhcp.lbl.gov0
128.3.131.1450
128.3.131.1460
128.3.131.1470
128.3.131.148liwang-t15.dhcp.lbl.gov0
128.3.131.1490
128.3.131.1500
128.3.131.1510
128.3.131.1520
128.3.131.1530
128.3.131.1540
128.3.131.1550
128.3.131.1560
128.3.131.1570
128.3.131.1580
128.3.131.159barnardv-t37.dhcp.lbl.gov0
128.3.131.160ylh-w94.dhcp.lbl.gov0
128.3.131.1610
128.3.131.1620
128.3.131.163mjuchno-w94.dhcp.lbl.gov0Ping
128.3.131.1640
128.3.131.1650
128.3.131.166imac-4.dhcp.lbl.gov0
128.3.131.1670
128.3.131.1680
128.3.131.1690
128.3.131.1700
128.3.131.171asaravanan-w73.dhcp.lbl.gov0
128.3.131.172apersaud-w17.dhcp.lbl.gov0
128.3.131.1730
128.3.131.174smp47-croteat66.dhcp.lbl.gov0
128.3.131.1750
128.3.131.1760
128.3.131.1770
128.3.131.1780
128.3.131.1790
128.3.131.1800
128.3.131.1810
128.3.131.182dbeverly-t13.dhcp.lbl.gov0
128.3.131.1830
128.3.131.1840
128.3.131.1850
128.3.131.1860
128.3.131.1870
128.3.131.1880
128.3.131.1890
128.3.131.1900
128.3.131.191pjbarton-w47.dhcp.lbl.gov0Ping
128.3.131.1920
128.3.131.1930
128.3.131.1940
128.3.131.1950
128.3.131.1960
128.3.131.1970
128.3.131.1980
128.3.131.199yeyang-w29.dhcp.lbl.gov0
128.3.131.2000
128.3.131.2010
128.3.131.2020
128.3.131.2030
128.3.131.204baflugstad-t32.dhcp.lbl.gov0
128.3.131.2050
128.3.131.2060
128.3.131.207xrwang-t02.dhcp.lbl.gov0
128.3.131.2080
128.3.131.2090
128.3.131.2107w-cabmach4s.dhcp.lbl.gov0
128.3.131.2110
128.3.131.2120
128.3.131.2130
128.3.131.2140
128.3.131.2150
128.3.131.2160
128.3.131.2170
128.3.131.2180
128.3.131.219tswift-m81.dhcp.lbl.gov0
128.3.131.220lhuyghe-w81.dhcp.lbl.gov0
128.3.131.221rmemmo-w90.dhcp.lbl.gov0
128.3.131.2220
128.3.131.2230
128.3.131.2240
128.3.131.225vn32kycf9j.dhcp.lbl.gov0
128.3.131.2260
128.3.131.2270
128.3.131.228mcyterski-t70.dhcp.lbl.gov0
128.3.131.2290
128.3.131.2300
128.3.131.2310
128.3.131.2320
128.3.131.23346-144-hpclj5700.dhcp.lbl.gov0
128.3.131.2340
128.3.131.2350
128.3.131.2360
128.3.131.237cadwork1-w57.dhcp.lbl.gov0
128.3.131.2380
128.3.131.2390
128.3.131.240top.dhcp.lbl.gov0
128.3.131.241na12140000101.dhcp.lbl.gov0
128.3.131.2420
128.3.131.243vjmoore2-w69.dhcp.lbl.gov0
128.3.131.2440
128.3.131.2450
128.3.131.2460
128.3.131.2470
128.3.131.2480
128.3.131.2490
128.3.131.2500
128.3.131.2510
128.3.131.2520
128.3.131.253qji-t10.dhcp.lbl.gov0
128.3.131.254seholland-w82.dhcp.lbl.gov0
128.3.131.2550

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -m6 128.3.131.110
traceroute to 128.3.131.110 (128.3.131.110): 6 hops max, 52 byte packets
1 [AS15169] 66.249.94.36 25.335 ms
2 *
3 [AS2152] 137.164.11.21 32.588 ms
4 *
5 *
6 *
Measurement taken from  IPinfo ProbeNet in Salt Lake City, US
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