Summary

ASN	AS1103 SURF B.V.
BGP	131.174.0.0/16
IPs with RDNS	134
Hosted Domains	0
Pingable IPs	98
Router IPs	0


131.174.31.0	nunet-huyg-cr-ext.science.ru.nl	0
131.174.31.1	vlan31gw.science.ru.nl	0
131.174.31.2	vlan31fw1.science.ru.nl	0
131.174.31.3	vlan31fw2.science.ru.nl	0
131.174.31.4	simonbpi.simaj.net	0
131.174.31.5	mastodon.cs.ru.nl	0
131.174.31.6	kencur.cs.ru.nl	0
131.174.31.7	—	0
131.174.31.8	ivo-thalia.science.ru.nl	0
131.174.31.9	fred-thalia.science.ru.nl	0
131.174.31.10	genomatix.science.ru.nl	0
131.174.31.11	tantalus.science.ru.nl	0
131.174.31.12	desdapi.vm.science.ru.nl	0
131.174.31.13	desdapitest.vm.science.ru.nl	0
131.174.31.14	—	0
131.174.31.15	akn.vm.science.ru.nl	0
131.174.31.16	pep-beryllium.pep.cs.ru.nl	0
131.174.31.17	pep-ferrum.pep.cs.ru.nl	0
131.174.31.18	pep-silicium.pep.cs.ru.nl	0
131.174.31.19	—	0
131.174.31.20	cc-extra.science.ru.nl	0
131.174.31.21	nkerr.science.ru.nl	0
131.174.31.22	casdev.science.ru.nl	0
131.174.31.23	starstruck1.science.ru.nl	0
131.174.31.24	vlbi-control1.science.ru.nl	0
131.174.31.25	—	0
131.174.31.26	—	0
131.174.31.27	aylin.science.ru.nl	0
131.174.31.28	amsenterprise.science.ru.nl	0
131.174.31.29	—	0
131.174.31.30	prover.cs.ru.nl	0
131.174.31.31	gem.cs.ru.nl	0
131.174.31.32	—	0
131.174.31.33	—	0
131.174.31.34	vlbimon1.science.ru.nl	0
131.174.31.35	vlbimon2.science.ru.nl	0
131.174.31.36	mws.cs.ru.nl	0
131.174.31.37	wilbert.marie-curie.nl	0
131.174.31.38	hackme.puc.science.ru.nl	0
131.174.31.39	barabas.cs.ru.nl	0
131.174.31.40	pesh-vm.cs.ru.nl	0
131.174.31.41	herfststorm.cs.ru.nl	0
131.174.31.42	ecom.cs.ru.nl	0
131.174.31.43	—	0
131.174.31.44	mvreede-vm.cs.ru.nl	0
131.174.31.45	irrumabo.science.ru.nl	0
131.174.31.46	—	0
131.174.31.47	—	0
131.174.31.48	—	0
131.174.31.49	barzan.science.ru.nl	0
131.174.31.50	bapc-domserver.science.ru.nl	0
131.174.31.51	roadrunner.science.ru.nl	0
131.174.31.52	mws-ipmi.cs.ru.nl	0
131.174.31.53	cardamom-ipmi.cs.ru.nl	0
131.174.31.54	sumac.cs.ru.nl	0
131.174.31.55	icis-runner.cs.ru.nl	0
131.174.31.56	turmeric.cs.ru.nl	0
131.174.31.57	—	0
131.174.31.58	—	0
131.174.31.59	—	0
131.174.31.60	—	0
131.174.31.61	—	0
131.174.31.62	—	0
131.174.31.63	—	0
131.174.31.64	—	0
131.174.31.65	—	0
131.174.31.66	salt.cs.ru.nl	0
131.174.31.67	salt-ipmi.cs.ru.nl	0
131.174.31.68	—	0
131.174.31.69	—	0
131.174.31.70	ilab1.ihub.ru.nl	0
131.174.31.71	ilab2.ihub.ru.nl	0
131.174.31.72	—	0
131.174.31.73	prover-ilom.cs.ru.nl	0
131.174.31.74	—	0
131.174.31.75	—	0
131.174.31.76	—	0
131.174.31.77	clove-ipmi.cs.ru.nl	0
131.174.31.78	clove.cs.ru.nl	0
131.174.31.79	cardamom.cs.ru.nl	0
131.174.31.80	—	0
131.174.31.81	—	0
131.174.31.82	—	0
131.174.31.83	—	0
131.174.31.84	—	0
131.174.31.85	—	0
131.174.31.86	—	0
131.174.31.87	dnp-threadripper.science.ru.nl	0
131.174.31.88	spinoza.science.ru.nl	0
131.174.31.89	dnp-backup.science.ru.nl	0
131.174.31.90	rure-vm.cs.ru.nl	0
131.174.31.91	cnl-backup.science.ru.nl	0
131.174.31.92	imdb.cs.ru.nl	0
131.174.31.93	cohubicol.cs.ru.nl	0
131.174.31.94	apollo.science.ru.nl	0
131.174.31.95	—	0
131.174.31.96	—	0
131.174.31.97	—	0
131.174.31.98	—	0
131.174.31.99	—	0
131.174.31.100	oberon.science.ru.nl	0
131.174.31.101	diana.science.ru.nl	0
131.174.31.102	elara.science.ru.nl	0
131.174.31.103	delia.science.ru.nl	0
131.174.31.104	—	0
131.174.31.105	—	0
131.174.31.106	—	0
131.174.31.107	—	0
131.174.31.108	—	0
131.174.31.109	—	0
131.174.31.110	—	0
131.174.31.111	—	0
131.174.31.112	—	0
131.174.31.113	—	0
131.174.31.114	—	0
131.174.31.115	—	0
131.174.31.116	—	0
131.174.31.117	—	0
131.174.31.118	—	0
131.174.31.119	—	0
131.174.31.120	—	0
131.174.31.121	—	0
131.174.31.122	—	0
131.174.31.123	—	0
131.174.31.124	—	0
131.174.31.125	graaftel.science.ru.nl	0
131.174.31.126	tusi.cs.ru.nl	0
131.174.31.127	—	0
131.174.31.128	pep-build1.cs.ru.nl	0
131.174.31.129	pep-build2.cs.ru.nl	0
131.174.31.130	pep-build3.cs.ru.nl	0
131.174.31.131	pep-build4.cs.ru.nl	0
131.174.31.132	pep-build5.cs.ru.nl	0
131.174.31.133	pep-build6.cs.ru.nl	0
131.174.31.134	pep-build7.cs.ru.nl	0
131.174.31.135	pep-build8.cs.ru.nl	0
131.174.31.136	pep-build9.cs.ru.nl	0
131.174.31.137	hb.pep.cs.ru.nl	0
131.174.31.138	ilab-main.cs.ru.nl	0
131.174.31.139	ilab-stable.cs.ru.nl	0
131.174.31.140	main.pep.cs.ru.nl	0
131.174.31.141	stable.pep.cs.ru.nl	0
131.174.31.142	release.pep.cs.ru.nl	0
131.174.31.143	review-a.pep.cs.ru.nl	0
131.174.31.144	review-b.pep.cs.ru.nl	0
131.174.31.145	runner1.pep.cs.ru.nl	0
131.174.31.146	runner2.pep.cs.ru.nl	0
131.174.31.147	runner3.pep.cs.ru.nl	0
131.174.31.148	runner4.pep.cs.ru.nl	0
131.174.31.149	runner5.pep.cs.ru.nl	0
131.174.31.150	runner6.pep.cs.ru.nl	0
131.174.31.151	play.pep.cs.ru.nl	0
131.174.31.152	nolai-acc.pep.cs.ru.nl	0
131.174.31.153	op-acc.pep.cs.ru.nl	0
131.174.31.154	ppp.pep.cs.ru.nl	0
131.174.31.155	nolai-sandbox.pep.cs.ru.nl	0
131.174.31.156	postguard-main.cs.ru.nl	0
131.174.31.157	postguard-stable.cs.ru.nl	0
131.174.31.158	nolai-snappet-test.pep.cs.ru.nl	0
131.174.31.159	nolai-maichart-test.pep.cs.ru.nl	0
131.174.31.160	testnest.vm.science.ru.nl	0
131.174.31.161	nolaivalkhof.vm.science.ru.nl	0
131.174.31.162	nolaigoffert.vm.science.ru.nl	0
131.174.31.163	britney.cs.ru.nl	0
131.174.31.164	ygritte.cs.ru.nl	0
131.174.31.165	jonsnow.cs.ru.nl	0
131.174.31.166	ghost.jonsnow.cs.ru.nl	0
131.174.31.167	summer.jonsnow.cs.ru.nl	0
131.174.31.168	nolaihortus.vm.science.ru.nl	0
131.174.31.169	tosti.vm.science.ru.nl	0
131.174.31.170	nolaidassenhof.vm.science.ru.nl	0
131.174.31.171	nolaierasmus.science.ru.nl	0
131.174.31.172	nolaistadswaard.vm.science.ru.nl	0
131.174.31.173	nolailimos.vm.science.ru.nl	0
131.174.31.174	—	0
131.174.31.175	—	0
131.174.31.176	nolai-snappet-prod.pep.cs.ru.nl	0
131.174.31.177	—	0
131.174.31.178	—	0
131.174.31.179	—	0
131.174.31.180	—	0
131.174.31.181	—	0
131.174.31.182	—	0
131.174.31.183	—	0
131.174.31.184	—	0
131.174.31.185	—	0
131.174.31.186	—	0
131.174.31.187	—	0
131.174.31.188	—	0
131.174.31.189	—	0
131.174.31.190	—	0
131.174.31.191	—	0
131.174.31.192	—	0
131.174.31.193	—	0
131.174.31.194	—	0
131.174.31.195	—	0
131.174.31.196	—	0
131.174.31.197	—	0
131.174.31.198	ph.ihub.ru.nl	0
131.174.31.199	erlitest.vm.science.ru.nl	0
131.174.31.200	eduspecdev.vm.science.ru.nl	0
131.174.31.201	—	0
131.174.31.202	—	0
131.174.31.203	—	0
131.174.31.204	—	0
131.174.31.205	—	0
131.174.31.206	—	0
131.174.31.207	britney-rc.cs.ru.nl	0
131.174.31.208	ygritte-rc.cs.ru.nl	0
131.174.31.209	ivo-thalia-rc.science.ru.nl	0
131.174.31.210	fred-thalia-rc.science.ru.nl	0
131.174.31.211	ronny-test-vm.cs.ru.nl	0
131.174.31.212	—	0
131.174.31.213	—	0
131.174.31.214	wilbert-rc-marie-curie-nl.science.ru.nl	0
131.174.31.215	jonsnow-rc.cs.ru.nl	0
131.174.31.216	abedb.cs.ru.nl	0
131.174.31.217	coverity.cs.ru.nl	0
131.174.31.218	ppp-logger-acc.pep.cs.ru.nl	0
131.174.31.219	ppp-logger.pep.cs.ru.nl	0
131.174.31.220	—	0
131.174.31.221	—	0
131.174.31.222	—	0
131.174.31.223	ppp-reserved.pep.cs.ru.nl	0
131.174.31.224	—	0
131.174.31.225	—	0
131.174.31.226	—	0
131.174.31.227	—	0
131.174.31.228	—	0
131.174.31.229	—	0
131.174.31.230	—	0
131.174.31.231	—	0
131.174.31.232	—	0
131.174.31.233	—	0
131.174.31.234	—	0
131.174.31.235	tusi-rc.cs.ru.nl	0
131.174.31.236	—	0
131.174.31.237	—	0
131.174.31.238	—	0
131.174.31.239	—	0
131.174.31.240	—	0
131.174.31.241	—	0
131.174.31.242	—	0
131.174.31.243	—	0
131.174.31.244	—	0
131.174.31.245	—	0
131.174.31.246	—	0
131.174.31.247	—	0
131.174.31.248	—	0
131.174.31.249	—	0
131.174.31.250	ak008-cam.science.ru.nl	0
131.174.31.251	cr-cam.science.ru.nl	0
131.174.31.252	—	0
131.174.31.253	—	0
131.174.31.254	noserver-31.science.ru.nl	0
131.174.31.255	vlan31-bcast.science.ru.nl	0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 131.174.31.133

traceroute to 131.174.31.133 (131.174.31.133): 64 hops max, 52 byte packets

1 [AS50613] 37.235.49.2 264.964 ms

2 [AS1103] 131.174.31.133 40.39 ms

Measurement taken from

IPinfo ProbeNet in Hafnarfjoerdur, IS

On February 7th 2026