Summary

ASN	AS513 CERN - European Organization for Nuclear Research
BGP	128.141.0.0/16
IPs with RDNS	250
Hosted Domains	0
Pingable IPs	0
Router IPs	0


128.141.143.0	—	0
128.141.143.1	r904-r-rjucy-1-pu3.cern.ch	0
128.141.143.2	—	0
128.141.143.3	—	0
128.141.143.4	pb-d-128-141-143-4.cern.ch	0
128.141.143.5	pb-d-128-141-143-5.cern.ch	0
128.141.143.6	pb-d-128-141-143-6.cern.ch	0
128.141.143.7	pb-d-128-141-143-7.cern.ch	0
128.141.143.8	pb-d-128-141-143-8.cern.ch	0
128.141.143.9	pb-d-128-141-143-9.cern.ch	0
128.141.143.10	pb-d-128-141-143-10.cern.ch	0
128.141.143.11	pb-d-128-141-143-11.cern.ch	0
128.141.143.12	pb-d-128-141-143-12.cern.ch	0
128.141.143.13	pb-d-128-141-143-13.cern.ch	0
128.141.143.14	pb-d-128-141-143-14.cern.ch	0
128.141.143.15	pb-d-128-141-143-15.cern.ch	0
128.141.143.16	pb-d-128-141-143-16.cern.ch	0
128.141.143.17	pb-d-128-141-143-17.cern.ch	0
128.141.143.18	pb-d-128-141-143-18.cern.ch	0
128.141.143.19	pb-d-128-141-143-19.cern.ch	0
128.141.143.20	pb-d-128-141-143-20.cern.ch	0
128.141.143.21	pb-d-128-141-143-21.cern.ch	0
128.141.143.22	pb-d-128-141-143-22.cern.ch	0
128.141.143.23	pb-d-128-141-143-23.cern.ch	0
128.141.143.24	pb-d-128-141-143-24.cern.ch	0
128.141.143.25	pb-d-128-141-143-25.cern.ch	0
128.141.143.26	pb-d-128-141-143-26.cern.ch	0
128.141.143.27	pb-d-128-141-143-27.cern.ch	0
128.141.143.28	pb-d-128-141-143-28.cern.ch	0
128.141.143.29	pb-d-128-141-143-29.cern.ch	0
128.141.143.30	pb-d-128-141-143-30.cern.ch	0
128.141.143.31	pb-d-128-141-143-31.cern.ch	0
128.141.143.32	pb-d-128-141-143-32.cern.ch	0
128.141.143.33	pb-d-128-141-143-33.cern.ch	0
128.141.143.34	pb-d-128-141-143-34.cern.ch	0
128.141.143.35	pb-d-128-141-143-35.cern.ch	0
128.141.143.36	pb-d-128-141-143-36.cern.ch	0
128.141.143.37	pb-d-128-141-143-37.cern.ch	0
128.141.143.38	pb-d-128-141-143-38.cern.ch	0
128.141.143.39	pb-d-128-141-143-39.cern.ch	0
128.141.143.40	pb-d-128-141-143-40.cern.ch	0
128.141.143.41	pb-d-128-141-143-41.cern.ch	0
128.141.143.42	pb-d-128-141-143-42.cern.ch	0
128.141.143.43	pb-d-128-141-143-43.cern.ch	0
128.141.143.44	pb-d-128-141-143-44.cern.ch	0
128.141.143.45	pb-d-128-141-143-45.cern.ch	0
128.141.143.46	pb-d-128-141-143-46.cern.ch	0
128.141.143.47	pb-d-128-141-143-47.cern.ch	0
128.141.143.48	pb-d-128-141-143-48.cern.ch	0
128.141.143.49	pb-d-128-141-143-49.cern.ch	0
128.141.143.50	pb-d-128-141-143-50.cern.ch	0
128.141.143.51	pb-d-128-141-143-51.cern.ch	0
128.141.143.52	pb-d-128-141-143-52.cern.ch	0
128.141.143.53	pb-d-128-141-143-53.cern.ch	0
128.141.143.54	pb-d-128-141-143-54.cern.ch	0
128.141.143.55	pb-d-128-141-143-55.cern.ch	0
128.141.143.56	pb-d-128-141-143-56.cern.ch	0
128.141.143.57	pb-d-128-141-143-57.cern.ch	0
128.141.143.58	pb-d-128-141-143-58.cern.ch	0
128.141.143.59	pb-d-128-141-143-59.cern.ch	0
128.141.143.60	pb-d-128-141-143-60.cern.ch	0
128.141.143.61	pb-d-128-141-143-61.cern.ch	0
128.141.143.62	pb-d-128-141-143-62.cern.ch	0
128.141.143.63	pb-d-128-141-143-63.cern.ch	0
128.141.143.64	pb-d-128-141-143-64.cern.ch	0
128.141.143.65	pb-d-128-141-143-65.cern.ch	0
128.141.143.66	pb-d-128-141-143-66.cern.ch	0
128.141.143.67	pb-d-128-141-143-67.cern.ch	0
128.141.143.68	pb-d-128-141-143-68.cern.ch	0
128.141.143.69	pb-d-128-141-143-69.cern.ch	0
128.141.143.70	pb-d-128-141-143-70.cern.ch	0
128.141.143.71	pb-d-128-141-143-71.cern.ch	0
128.141.143.72	pb-d-128-141-143-72.cern.ch	0
128.141.143.73	pb-d-128-141-143-73.cern.ch	0
128.141.143.74	pb-d-128-141-143-74.cern.ch	0
128.141.143.75	pb-d-128-141-143-75.cern.ch	0
128.141.143.76	pb-d-128-141-143-76.cern.ch	0
128.141.143.77	pb-d-128-141-143-77.cern.ch	0
128.141.143.78	pb-d-128-141-143-78.cern.ch	0
128.141.143.79	pb-d-128-141-143-79.cern.ch	0
128.141.143.80	pb-d-128-141-143-80.cern.ch	0
128.141.143.81	pb-d-128-141-143-81.cern.ch	0
128.141.143.82	pb-d-128-141-143-82.cern.ch	0
128.141.143.83	pb-d-128-141-143-83.cern.ch	0
128.141.143.84	pb-d-128-141-143-84.cern.ch	0
128.141.143.85	pb-d-128-141-143-85.cern.ch	0
128.141.143.86	pb-d-128-141-143-86.cern.ch	0
128.141.143.87	pb-d-128-141-143-87.cern.ch	0
128.141.143.88	pb-d-128-141-143-88.cern.ch	0
128.141.143.89	pb-d-128-141-143-89.cern.ch	0
128.141.143.90	pb-d-128-141-143-90.cern.ch	0
128.141.143.91	pb-d-128-141-143-91.cern.ch	0
128.141.143.92	pb-d-128-141-143-92.cern.ch	0
128.141.143.93	pb-d-128-141-143-93.cern.ch	0
128.141.143.94	pb-d-128-141-143-94.cern.ch	0
128.141.143.95	pb-d-128-141-143-95.cern.ch	0
128.141.143.96	pb-d-128-141-143-96.cern.ch	0
128.141.143.97	pb-d-128-141-143-97.cern.ch	0
128.141.143.98	pb-d-128-141-143-98.cern.ch	0
128.141.143.99	pb-d-128-141-143-99.cern.ch	0
128.141.143.100	pb-d-128-141-143-100.cern.ch	0
128.141.143.101	pb-d-128-141-143-101.cern.ch	0
128.141.143.102	pb-d-128-141-143-102.cern.ch	0
128.141.143.103	pb-d-128-141-143-103.cern.ch	0
128.141.143.104	pb-d-128-141-143-104.cern.ch	0
128.141.143.105	pb-d-128-141-143-105.cern.ch	0
128.141.143.106	pb-d-128-141-143-106.cern.ch	0
128.141.143.107	pb-d-128-141-143-107.cern.ch	0
128.141.143.108	pb-d-128-141-143-108.cern.ch	0
128.141.143.109	pb-d-128-141-143-109.cern.ch	0
128.141.143.110	pb-d-128-141-143-110.cern.ch	0
128.141.143.111	pb-d-128-141-143-111.cern.ch	0
128.141.143.112	pb-d-128-141-143-112.cern.ch	0
128.141.143.113	pb-d-128-141-143-113.cern.ch	0
128.141.143.114	pb-d-128-141-143-114.cern.ch	0
128.141.143.115	pb-d-128-141-143-115.cern.ch	0
128.141.143.116	pb-d-128-141-143-116.cern.ch	0
128.141.143.117	pb-d-128-141-143-117.cern.ch	0
128.141.143.118	pb-d-128-141-143-118.cern.ch	0
128.141.143.119	pb-d-128-141-143-119.cern.ch	0
128.141.143.120	pb-d-128-141-143-120.cern.ch	0
128.141.143.121	pb-d-128-141-143-121.cern.ch	0
128.141.143.122	pb-d-128-141-143-122.cern.ch	0
128.141.143.123	pb-d-128-141-143-123.cern.ch	0
128.141.143.124	pb-d-128-141-143-124.cern.ch	0
128.141.143.125	pb-d-128-141-143-125.cern.ch	0
128.141.143.126	pb-d-128-141-143-126.cern.ch	0
128.141.143.127	pb-d-128-141-143-127.cern.ch	0
128.141.143.128	pb-d-128-141-143-128.cern.ch	0
128.141.143.129	pb-d-128-141-143-129.cern.ch	0
128.141.143.130	pb-d-128-141-143-130.cern.ch	0
128.141.143.131	pb-d-128-141-143-131.cern.ch	0
128.141.143.132	pb-d-128-141-143-132.cern.ch	0
128.141.143.133	pb-d-128-141-143-133.cern.ch	0
128.141.143.134	pb-d-128-141-143-134.cern.ch	0
128.141.143.135	pb-d-128-141-143-135.cern.ch	0
128.141.143.136	pb-d-128-141-143-136.cern.ch	0
128.141.143.137	pb-d-128-141-143-137.cern.ch	0
128.141.143.138	pb-d-128-141-143-138.cern.ch	0
128.141.143.139	pb-d-128-141-143-139.cern.ch	0
128.141.143.140	pb-d-128-141-143-140.cern.ch	0
128.141.143.141	pb-d-128-141-143-141.cern.ch	0
128.141.143.142	pb-d-128-141-143-142.cern.ch	0
128.141.143.143	pb-d-128-141-143-143.cern.ch	0
128.141.143.144	pb-d-128-141-143-144.cern.ch	0
128.141.143.145	pb-d-128-141-143-145.cern.ch	0
128.141.143.146	pb-d-128-141-143-146.cern.ch	0
128.141.143.147	pb-d-128-141-143-147.cern.ch	0
128.141.143.148	pb-d-128-141-143-148.cern.ch	0
128.141.143.149	pb-d-128-141-143-149.cern.ch	0
128.141.143.150	pb-d-128-141-143-150.cern.ch	0
128.141.143.151	pb-d-128-141-143-151.cern.ch	0
128.141.143.152	pb-d-128-141-143-152.cern.ch	0
128.141.143.153	pb-d-128-141-143-153.cern.ch	0
128.141.143.154	pb-d-128-141-143-154.cern.ch	0
128.141.143.155	pb-d-128-141-143-155.cern.ch	0
128.141.143.156	pb-d-128-141-143-156.cern.ch	0
128.141.143.157	pb-d-128-141-143-157.cern.ch	0
128.141.143.158	pb-d-128-141-143-158.cern.ch	0
128.141.143.159	pb-d-128-141-143-159.cern.ch	0
128.141.143.160	pb-d-128-141-143-160.cern.ch	0
128.141.143.161	pb-d-128-141-143-161.cern.ch	0
128.141.143.162	pb-d-128-141-143-162.cern.ch	0
128.141.143.163	pb-d-128-141-143-163.cern.ch	0
128.141.143.164	pb-d-128-141-143-164.cern.ch	0
128.141.143.165	pb-d-128-141-143-165.cern.ch	0
128.141.143.166	pb-d-128-141-143-166.cern.ch	0
128.141.143.167	pb-d-128-141-143-167.cern.ch	0
128.141.143.168	pb-d-128-141-143-168.cern.ch	0
128.141.143.169	pb-d-128-141-143-169.cern.ch	0
128.141.143.170	pb-d-128-141-143-170.cern.ch	0
128.141.143.171	pb-d-128-141-143-171.cern.ch	0
128.141.143.172	—	0
128.141.143.173	gemnewlvsetupa39.cern.ch	0
128.141.143.174	irpcdemop5.cern.ch	0
128.141.143.175	gem904int-daq03.cern.ch	0
128.141.143.176	emume42.cern.ch	0
128.141.143.177	cms-l1t-x2o-2.cern.ch	0
128.141.143.178	x2ocmsl1t00.cern.ch	0
128.141.143.179	cms-l1t-atca-switchblade-3.cern.ch	0
128.141.143.180	dth-p1-v2-12.cern.ch	0
128.141.143.181	gem904qc7-01.cern.ch	0
128.141.143.182	openipmc-19.cern.ch	0
128.141.143.183	ge21lvsetup.cern.ch	0
128.141.143.184	gem904qc-nas01.cern.ch	0
128.141.143.185	emuchick2.cern.ch	0
128.141.143.186	etl-test-stand.cern.ch	0
128.141.143.187	sipmmoduletesterdaq1.cern.ch	0
128.141.143.188	sipmmoduletesterwin.cern.ch	0
128.141.143.189	gem904gas.cern.ch	0
128.141.143.190	sipmmoduletesterdaq2.cern.ch	0
128.141.143.191	cms904win.cern.ch	0
128.141.143.192	cms-l1t-atca-shelfmanager-3.cern.ch	0
128.141.143.193	pclip10.cern.ch	0
128.141.143.194	serenity-z1p2-hnzq.cern.ch	0
128.141.143.195	serenity-z1p2-hnzq-ipmc.cern.ch	0
128.141.143.196	gem904qc-db01.cern.ch	0
128.141.143.197	serenity-z1p2-hnzj.cern.ch	0
128.141.143.198	cms-l1t-atca-switchblade-4.cern.ch	0
128.141.143.199	serenity-z1p2-hnzj-ipmc.cern.ch	0
128.141.143.200	serenity-z1p2-hnzp-ipmc.cern.ch	0
128.141.143.201	cms-l1t-atca-switchblade-2.cern.ch	0
128.141.143.202	cmsdcs904b03.cern.ch	0
128.141.143.203	gem904qc7-02.cern.ch	0
128.141.143.204	dtcaenr6060.cern.ch	0
128.141.143.205	ge11xray.cern.ch	0
128.141.143.206	serenity-z1p2-hnzk-ipmc.cern.ch	0
128.141.143.207	serenity-k26-xfl1o3v0gyjv.cern.ch	0
128.141.143.208	cms904daq.cern.ch	0
128.141.143.209	caen904rpc2.cern.ch	0
128.141.143.210	hcalcaen904.cern.ch	0
128.141.143.211	gem904qc8-01.cern.ch	0
128.141.143.212	dthv01--cms.cern.ch	0
128.141.143.213	pccms175.cern.ch	0
128.141.143.214	analysispc.cern.ch	0
128.141.143.215	gem904int-fpga01.cern.ch	0
128.141.143.216	cmskaml1.cern.ch	0
128.141.143.217	cms-arduino-01.cern.ch	0
128.141.143.218	cmskam06.cern.ch	0
128.141.143.219	cmskam05.cern.ch	0
128.141.143.220	gem904int-daq01.cern.ch	0
128.141.143.221	cmssrsanalysis.cern.ch	0
128.141.143.222	cmskaml3.cern.ch	0
128.141.143.223	webdcsdip.cern.ch	0
128.141.143.224	serenity-z1p2-hnzk.cern.ch	0
128.141.143.225	serenity-z1p2-hnzt-ipmc.cern.ch	0
128.141.143.226	new904dt.cern.ch	0
128.141.143.227	cmsdcs904b02-ipmi.cern.ch	0
128.141.143.228	cmsdcs904b02.cern.ch	0
128.141.143.229	gem904int-daq02.cern.ch	0
128.141.143.230	mfmaotest904.cern.ch	0
128.141.143.231	gem904int-daq04.cern.ch	0
128.141.143.232	dth-p1-v2-17.cern.ch	0
128.141.143.233	cmssrs2.cern.ch	0
128.141.143.234	gem904int-daq05.cern.ch	0
128.141.143.235	ge11turbopc.cern.ch	0
128.141.143.236	gem904qc-bigscreens.cern.ch	0
128.141.143.237	caen904-01.cern.ch	0
128.141.143.238	cms904webcam1.cern.ch	0
128.141.143.239	dt-sy1527-yb0down--cms.cern.ch	0
128.141.143.240	gem904spare-01.cern.ch	0
128.141.143.241	emucts00.cern.ch	0
128.141.143.242	dth-p1v2-10.cern.ch	0
128.141.143.243	gem904qc8-02.cern.ch	0
128.141.143.244	ge21qc6setup.cern.ch	0
128.141.143.245	dth-p1v1-01.cern.ch	0
128.141.143.246	pcethdcs17.cern.ch	0
128.141.143.247	cms-l1t-atca-shelfmanager-2.cern.ch	0
128.141.143.248	emu-me11-step3.cern.ch	0
128.141.143.249	sy1527cmstk.cern.ch	0
128.141.143.250	—	0
128.141.143.251	emu42fastprod01.cern.ch	0
128.141.143.252	dth-p1-v2-07.cern.ch	0
128.141.143.253	cmshcal13.cern.ch	0
128.141.143.254	cmshcal24.cern.ch	0
128.141.143.255	—	0

Traceroute

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

traceroute -a -n -q1 -m5 128.141.143.134

traceroute to 128.141.143.134 (128.141.143.134): 5 hops max, 52 byte packets

1 [AS15169] 108.170.226.38 49.816 ms

2 [AS513] 192.65.184.89 61.19 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Tel Aviv, IL

On December 28th 2025