IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 131.0.0.0/8
  3. 131.243.0.0/16
  4. 131.243.21.0/24

131.243.21.0/24 IP Range

Summary

ASNAS16 Lawrence Berkeley National Laboratory
BGP131.243.0.0/16
IPs with RDNS111
Hosted Domains0
Pingable IPs2
Router IPs0
131.243.21.00
131.243.21.1irpbx-n1--irpbx-30--vlan2481.hsrp.lbl.gov0
131.243.21.2vlan2481.irpbx-n1.lbl.gov0
131.243.21.3vlan2481.irpbx-30.lbl.gov0
131.243.21.40
131.243.21.5aads-a.pbx.lbl.gov0
131.243.21.6aads-b.pbx.lbl.gov0
131.243.21.7util.aads.pbx.lbl.gov0
131.243.21.8util.aads-a.pbx.lbl.gov0
131.243.21.9util.aads-b.pbx.lbl.gov0
131.243.21.10aads.pbx.lbl.gov0
131.243.21.110
131.243.21.120
131.243.21.130
131.243.21.140
131.243.21.150
131.243.21.160
131.243.21.17irpbx-n1--irpbx-30--vlan2479.hsrp.lbl.gov0
131.243.21.18vlan2479.irpbx-n1.lbl.gov0
131.243.21.19vlan2479.irpbx-30.lbl.gov0
131.243.21.200
131.243.21.21aes.pbx.lbl.gov0
131.243.21.220
131.243.21.230
131.243.21.240
131.243.21.25irpbx-n1--irpbx-30--vlan2478.hsrp.lbl.gov0
131.243.21.26vlan2478.irpbx-n1.lbl.gov0
131.243.21.27vlan2478.irpbx-30.lbl.gov0
131.243.21.280
131.243.21.29cms.pbx.lbl.gov0
131.243.21.300
131.243.21.310
131.243.21.320
131.243.21.33irpbx-n1--irpbx-30--vlan2461.hsrp.lbl.gov0
131.243.21.34vlan2461.irpbx-n1.lbl.gov0
131.243.21.35vlan2461.irpbx-30.lbl.gov0
131.243.21.36am-test.pbx.lbl.gov0
131.243.21.370
131.243.21.38weblm.pbx.lbl.gov0
131.243.21.390
131.243.21.400
131.243.21.41irpbx-n1--irpbx-30--vlan2462.hsrp.lbl.gov0
131.243.21.42vlan2462.irpbx-n1.lbl.gov0
131.243.21.43vlan2462.irpbx-30.lbl.gov0
131.243.21.440
131.243.21.450
131.243.21.460
131.243.21.470
131.243.21.480
131.243.21.49irpbx-n1--irpbx-30--vlan2455.hsrp.lbl.gov0
131.243.21.50vlan2455.irpbx-n1.lbl.gov0
131.243.21.51vlan2455.irpbx-30.lbl.gov0
131.243.21.520
131.243.21.530
131.243.21.54internal.e911lds.pbx.lbl.gov0
131.243.21.550
131.243.21.560
131.243.21.57irpbx-n1--irpbx-30--vlan2477.hsrp.lbl.gov0
131.243.21.58vlan2477.irpbx-n1.lbl.gov0
131.243.21.59vlan2477.irpbx-30.lbl.gov0
131.243.21.600
131.243.21.61aams.pbx.lbl.gov0
131.243.21.620
131.243.21.630
131.243.21.640
131.243.21.65irpbx-n1--irpbx-30--vlan2480.hsrp.lbl.gov0
131.243.21.66vlan2480.irpbx-n1.lbl.gov0
131.243.21.67vlan2480.irpbx-30.lbl.gov0
131.243.21.680
131.243.21.690
131.243.21.700
131.243.21.710
131.243.21.720
131.243.21.73irpbx-n1--irpbx-30--vlan2475.hsrp.lbl.gov0
131.243.21.74vlan2475.irpbx-n1.lbl.gov0
131.243.21.75vlan2475.irpbx-30.lbl.gov0
131.243.21.760
131.243.21.77ol-voice.pbx.lbl.gov0
131.243.21.780
131.243.21.790
131.243.21.800
131.243.21.81irpbx-n1--irpbx-30--vlan2474.hsrp.lbl.gov0
131.243.21.82vlan2474.irpbx-n1.lbl.gov0
131.243.21.83vlan2474.irpbx-30.lbl.gov0
131.243.21.840
131.243.21.85ol-voice-geo.pbx.lbl.gov0
131.243.21.860
131.243.21.870
131.243.21.880
131.243.21.89irpbx-n1--irpbx-30--vlan2473.hsrp.lbl.gov0
131.243.21.90vlan2473.irpbx-n1.lbl.gov0
131.243.21.91vlan2473.irpbx-30.lbl.gov0
131.243.21.920
131.243.21.93sm-a.pbx.lbl.gov0
131.243.21.940
131.243.21.950
131.243.21.960
131.243.21.97irpbx-n1--irpbx-30--vlan2472.hsrp.lbl.gov0
131.243.21.98vlan2472.irpbx-n1.lbl.gov0
131.243.21.99vlan2472.irpbx-30.lbl.gov0
131.243.21.1000
131.243.21.101sip.sm-a.pbx.lbl.gov0
131.243.21.1020
131.243.21.1030
131.243.21.1040
131.243.21.105irpbx-n1--irpbx-30--vlan2471.hsrp.lbl.gov0
131.243.21.106vlan2471.irpbx-n1.lbl.gov0
131.243.21.107vlan2471.irpbx-30.lbl.gov0
131.243.21.1080
131.243.21.109sm-b.pbx.lbl.gov0
131.243.21.1100
131.243.21.1110
131.243.21.1120
131.243.21.113irpbx-n1--irpbx-30--vlan2470.hsrp.lbl.gov0
131.243.21.114vlan2470.irpbx-n1.lbl.gov0
131.243.21.115vlan2470.irpbx-30.lbl.gov0
131.243.21.1160
131.243.21.117sip.sm-b.pbx.lbl.gov0
131.243.21.1180
131.243.21.1190
131.243.21.1200
131.243.21.121irpbx-n1--irpbx-30--vlan2469.hsrp.lbl.gov0
131.243.21.122vlan2469.irpbx-n1.lbl.gov0
131.243.21.123vlan2469.irpbx-30.lbl.gov0
131.243.21.1240
131.243.21.125smgr.pbx.lbl.gov0
131.243.21.1260
131.243.21.1270
131.243.21.1280
131.243.21.129irpbx-n1--irpbx-30--vlan2468.hsrp.lbl.gov0
131.243.21.130vlan2468.irpbx-n1.lbl.gov0
131.243.21.131vlan2468.irpbx-30.lbl.gov0
131.243.21.1320
131.243.21.133smgr-geo.pbx.lbl.gov0
131.243.21.1340
131.243.21.1350
131.243.21.1360
131.243.21.137irpbx-n1--irpbx-30--vlan2467.hsrp.lbl.gov0
131.243.21.138vlan2467.irpbx-n1.lbl.gov0
131.243.21.139vlan2467.irpbx-30.lbl.gov0
131.243.21.1400
131.243.21.141slamon.pbx.lbl.gov0
131.243.21.1420
131.243.21.1430
131.243.21.1440
131.243.21.145irpbx-n1--irpbx-30--vlan2463.hsrp.lbl.gov0
131.243.21.146vlan2463.irpbx-n1.lbl.gov0
131.243.21.147vlan2463.irpbx-30.lbl.gov0
131.243.21.1480
131.243.21.1490
131.243.21.1500
131.243.21.1510
131.243.21.1520
131.243.21.1530
131.243.21.1540
131.243.21.1550
131.243.21.1560
131.243.21.1570
131.243.21.1580
131.243.21.1590
131.243.21.1600
131.243.21.161irpbx-n1--irpbx-30--vlan2464.hsrp.lbl.gov0
131.243.21.162vlan2464.irpbx-n1.lbl.gov0
131.243.21.163vlan2464.irpbx-30.lbl.gov0
131.243.21.1640
131.243.21.1650
131.243.21.166voice.primary.ol-cnsl.pbx.lbl.gov0
131.243.21.167voice.secondary.ol-cnsl.pbx.lbl.gov0
131.243.21.1680
131.243.21.169ixm-web-cnsl-a.pbx.lbl.gov0
131.243.21.170ixm-web-cnsl-b.pbx.lbl.gov0
131.243.21.1710
131.243.21.1720
131.243.21.1730
131.243.21.1740
131.243.21.1750
131.243.21.1760
131.243.21.1770
131.243.21.1780
131.243.21.1790
131.243.21.1800
131.243.21.1810
131.243.21.1820
131.243.21.1830
131.243.21.1840
131.243.21.185irpbxgeo-977--irpbx-n1--vlan2493.hsrp.lbl.gov0
131.243.21.186vlan2493.irpbxgeo-977.lbl.gov0
131.243.21.187vlan2493.irpbx-n1.lbl.gov0
131.243.21.1880
131.243.21.189sip.sm-c.pbx.lbl.gov0
131.243.21.1900
131.243.21.1910
131.243.21.1920
131.243.21.193irpbxgeo-977--irpbx-n1--vlan2494.hsrp.lbl.gov0
131.243.21.194vlan2494.irpbxgeo-977.lbl.gov0
131.243.21.195vlan2494.irpbx-n1.lbl.gov0
131.243.21.1960
131.243.21.197sm-c.pbx.lbl.gov0
131.243.21.1980
131.243.21.1990
131.243.21.2000
131.243.21.201irpbxgeo-977--irpbx-n1--vlan2495.hsrp.lbl.gov0
131.243.21.202vlan2495.irpbxgeo-977.lbl.gov0
131.243.21.203vlan2495.irpbx-n1.lbl.gov0
131.243.21.2040
131.243.21.205a1.sbc-sp-geo.pbx.lbl.gov0
131.243.21.2060
131.243.21.2070
131.243.21.2080
131.243.21.209irpbxgeo-977--irpbx-n1--vlan2496.hsrp.lbl.gov0
131.243.21.210vlan2496.irpbxgeo-977.lbl.gov0
131.243.21.211vlan2496.irpbx-n1.lbl.gov0
131.243.21.2120
131.243.21.213a1.sbc-iw-geo.pbx.lbl.gov0
131.243.21.2140
131.243.21.2150
131.243.21.2160
131.243.21.217irpbxgeo-977--irpbx-n1--vlan2497.hsrp.lbl.gov0
131.243.21.218vlan2497.irpbxgeo-977.lbl.gov0
131.243.21.219vlan2497.irpbx-n1.lbl.gov0
131.243.21.2200
131.243.21.2210
131.243.21.2220
131.243.21.2230
131.243.21.2240
131.243.21.225irpbxgeo-977--irpbx-n1--vlan2498.hsrp.lbl.gov0
131.243.21.226vlan2498.irpbxgeo-977.lbl.gov0
131.243.21.227vlan2498.irpbx-n1.lbl.gov0
131.243.21.2280
131.243.21.2290
131.243.21.2300
131.243.21.2310
131.243.21.2320
131.243.21.2330
131.243.21.2340
131.243.21.2350
131.243.21.2360
131.243.21.237mgmt.sbc10-sp-geo.pbx.lbl.gov0
131.243.21.238mgmt.sbc10-iw-geo.pbx.lbl.gov0
131.243.21.2390
131.243.21.2400
131.243.21.241irpbxgeo-977--irpbx-n1--vlan2499.hsrp.lbl.gov0
131.243.21.242vlan2499.irpbxgeo-977.lbl.gov0
131.243.21.243vlan2499.irpbx-n1.lbl.gov0
131.243.21.2440
131.243.21.2450
131.243.21.246cm-geo.pbx.lbl.gov0
131.243.21.247procr.cm-geo.pbx.lbl.gov0
131.243.21.2480
131.243.21.2490
131.243.21.2500
131.243.21.2510
131.243.21.2520
131.243.21.2530
131.243.21.2540
131.243.21.2550

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -m11 131.243.21.47
traceroute to 131.243.21.47 (131.243.21.47): 11 hops max, 52 byte packets
1 [AS202422] 92.38.149.1 0.161 ms
2 *
3 *
4 *
5 [AS7713] 198.32.176.33 3.532 ms
6 [AS2152] 137.164.23.37 3.825 ms
7 [AS16] 131.243.245.155 3.886 ms
8 [AS16] 131.243.245.25 4.643 ms
9 *
10 *
11 *
Measurement taken from  IPinfo ProbeNet in Santa Clara, US
On