1. All IP Ranges
  2. 128.0.0.0/8
  3. 128.117.0.0/16
  4. AS194  | 128.117.0.0/16

128.117.0.0/16

AS194  ·  University Corporation for Atmospheric Research

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Summary

Country United States
Domain ucar.edu
ASN AS194
Registry ARIN
ID UCAR

WHOIS Details

NetHandle:      NET-128-117-0-0-1
OrgID:          NCAR-Z
Parent:         NET-128-0-0-0-0
NetName:        UCAR
NetRange:       128.117.0.0 - 128.117.255.255
NetType:        allocation
RegDate:        1986-03-24
Updated:        2022-01-27
TechHandle:     PS24-ARIN
Source:         ARIN


OrgID:          NCAR-Z
OrgName:        National Center for Atmospheric Research
CanAllocate:    
Street:         1850 Table Mesa Drive
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80305
RegDate:        2021-12-14
Updated:        2025-09-29
OrgAdminHandle: MEEHL5-ARIN
OrgTechHandle:  ADLER49-ARIN
OrgTechHandle:  HERNA1265-ARIN
OrgAbuseHandle: ABUSE18-ARIN
OrgNOCHandle:   ZN10-ARIN
Source:         ARIN


POCHandle:      ZN10-ARIN
IsRole:         Y
LastName:       National Center for Atmospheric Research
FirstName:      
Street:         1850 Table Mesa Dr.
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80305
RegDate:        1999-12-10
Updated:        2024-10-05
OfficePhone:    +1-307-996-4300
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      HERNA1265-ARIN
IsRole:         N
LastName:       Hernandez
FirstName:      John
Street:         3090 Center Green Drive
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80301
RegDate:        2022-07-22
Updated:        2025-08-26
OfficePhone:    +1-303-497-1280
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE18-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         1850 Table Mesa Drive
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80305
RegDate:        2002-08-28
Updated:        2025-03-03
OfficePhone:    +1-307-996-4300
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ADLER49-ARIN
IsRole:         N
LastName:       Adler
FirstName:      Matt
Street:         3090 Center Green Drive
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80301
RegDate:        2022-11-07
Updated:        2025-03-27
OfficePhone:    +1-303-497-1279
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      PS24-ARIN
IsRole:         N
LastName:       Siemsen
FirstName:      Pete
Street:         1850 Table Mesa Drive
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80305
RegDate:        1998-03-03
Updated:        2023-10-19
OfficePhone:    +1-303-497-1810
MobilePhone:    +1-720-641-3532
FaxPhone:       +1-303-497-1818
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      MEEHL5-ARIN
IsRole:         N
LastName:       Meehl
FirstName:      Marla
Street:         3090 Center Green Drive
City:           Boulder
State/Prov:     CO
Country:        US
PostalCode:     80301
RegDate:        2018-02-20
Updated:        2025-03-27
OfficePhone:    +1-303-497-1301
Mailbox:        [email protected]
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 128.0.0.0/8

Range ASN Company Num of IPs
128.178.0.0/15 AS559 Ecublens Camp Net 131,072
128.130.0.0/15 AS679 Technische Universitaet Wien 131,072
128.78.0.0/15 AS5410 Bouygues Telecom SA 131,072
128.211.0.0/16 AS397501 Purdue University 65,536
128.134.0.0/16 AS9318 Korea Telecom 65,536
128.85.0.0/16 AS8075 Microsoft Limited 65,536
128.113.0.0/16 AS91 Rensselaer Polytechnic Institute 65,536
128.208.0.0/16 AS73 University of Washington 65,536
128.210.0.0/16 AS397511 Purdue University 65,536
128.94.0.0/16 AS8075 Microsoft Singapore Pte. Ltd. 65,536
128.36.0.0/16 AS8075 Yale University 65,536
128.91.0.0/16 AS55 University of Pennsylvania 65,536
128.24.0.0/16 AS8075 Microsoft Limited 65,536
128.123.0.0/16 AS40246 New Mexico State University 65,536
128.229.0.0/16 AS7281 Booz Allen Hamilton Inc. 65,536
128.203.0.0/16 AS8075 Microsoft Limited 65,536
128.198.0.0/16 AS396425 University of Colorado, Colorado Springs 65,536
128.134.0.0/16 AS9526 Korea Telecom 65,536
128.238.0.0/16 AS54965 Polytechnic University 65,536
128.133.0.0/16 AS749 Air Force Systems Networking 65,536
128.218.0.0/16 AS5653 University of California San Francisco 65,536
128.251.0.0/16 AS8075 Microsoft Limited 65,536
128.211.0.0/16 AS397511 Purdue University 65,536
128.134.0.0/16 AS4766 Korea Telecom 65,536
128.97.0.0/16 AS52 University of California, Los Angeles 65,536
128.95.0.0/16 AS73 University of Washington 65,536
128.213.0.0/16 AS91 Rensselaer Polytechnic Institute 65,536
128.193.0.0/16 AS4201 Oregon State University 65,536
128.246.0.0/16 AS209781 BASF Digital Solutions GmbH 65,536
128.120.0.0/16 AS6192 University of California, Davis 65,536
128.124.0.0/16 AS21497 PrJSC VF UKRAINE 65,536
128.80.0.0/16 AS749 DoD Network Information Center 65,536
128.14.0.0/16 AS21859 Zenlayer Inc 65,536
128.25.0.0/16 AS749 DoD Network Information Center 65,536
128.6.0.0/16 AS46 Rutgers, The State University 65,536
128.192.0.0/16 AS36441 University of Georgia 65,536
128.205.0.0/16 AS3685 State University of New York at Buffalo 65,536
128.190.0.0/16 AS367 Headquarters, USAISC 65,536
128.220.0.0/16 AS5723 Johns Hopkins University 65,536
128.43.0.0/16 AS3766 Shared Services Canada 65,536
128.163.0.0/16 AS396261 University of Kentucky 65,536
128.118.0.0/16 AS3999 The Pennsylvania State University 65,536
128.101.0.0/16 AS217 University of Minnesota 65,536
128.56.0.0/16 AS749 Navy Network Information Center (NNIC) 65,536
128.27.0.0/16 AS17511 OPTAGE Inc. 65,536
128.210.0.0/16 AS17 Purdue University 65,536
128.22.0.0/16 AS17511 OPTAGE Inc. 65,536
128.169.0.0/16 AS16989 The University of Tennessee Health Science Center 65,536
128.196.0.0/16 AS1706 The University of Arizona 65,536
128.82.0.0/16 AS1201 Old Dominion University 65,536

Hosted domains

There are 13 domain names hosted across 10 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
128.117.225.32 ucar.edu 3
128.117.188.9 frgp.net 3
128.117.116.45 meted.com 2
128.117.15.24 weather.aero 1
128.117.14.133 weather.aero 1
128.117.13.91 eulag.org 1
128.117.14.21 4dwx.org 1
128.117.15.21 4dwx.org 1
128.117.54.209 chatty-beetle.net 1
128.117.41.126 earthsystemgrid.org 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

577 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
128.117.130.137 AS194 University Corporation for Atmospheric Research 1.31ms from Denver, US
128.117.166.60 AS194 University Corporation for Atmospheric Research 2.81ms from Denver, US
128.117.41.127 AS194 University Corporation for Atmospheric Research 1.52ms from Denver, US
128.117.167.13 AS194 University Corporation for Atmospheric Research 5.50ms from Denver, US
128.117.14.3 AS194 University Corporation for Atmospheric Research 1.83ms from Denver, US
128.117.182.39 AS194 University Corporation for Atmospheric Research 3.04ms from Denver, US
128.117.156.129 AS194 University Corporation for Atmospheric Research 1.57ms from Denver, US
128.117.43.128 AS194 University Corporation for Atmospheric Research 1.56ms from Denver, US
128.117.128.253 AS194 University Corporation for Atmospheric Research 2.18ms from Denver, US
128.117.140.127 AS194 University Corporation for Atmospheric Research 1.51ms from Denver, US
128.117.164.33 AS194 University Corporation for Atmospheric Research 1.68ms from Denver, US
128.117.183.251 AS194 University Corporation for Atmospheric Research 2.98ms from Denver, US
128.117.15.24 AS194 University Corporation for Atmospheric Research 1.57ms from Denver, US
128.117.165.97 AS194 University Corporation for Atmospheric Research 2.01ms from Denver, US
128.117.149.100 AS194 University Corporation for Atmospheric Research 1.60ms from Denver, US
128.117.13.55 AS194 University Corporation for Atmospheric Research 1.56ms from Denver, US
128.117.133.101 AS194 University Corporation for Atmospheric Research 2.08ms from Denver, US
128.117.114.119 AS194 University Corporation for Atmospheric Research 1.63ms from Denver, US
128.117.135.7 AS194 University Corporation for Atmospheric Research 2.97ms from Denver, US
128.117.38.251 AS194 University Corporation for Atmospheric Research 2.12ms from Denver, US
128.117.181.194 AS194 University Corporation for Atmospheric Research 2.99ms from Denver, US
128.117.188.8 AS194 University Corporation for Atmospheric Research 1.61ms from Denver, US
128.117.240.254 AS194 University Corporation for Atmospheric Research 6.06ms from Denver, US
128.117.212.248 AS194 University Corporation for Atmospheric Research 2.96ms from Denver, US
128.117.209.4 AS194 University Corporation for Atmospheric Research 2.97ms from Denver, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
155.108.19.144 AS26561 NetRidge LLC 0.06ms from Ashburn, US
181.51.11.128 AS10620 Telmex Colombia S.A. 8.16ms from Bogota, CO
99.70.232.80 AS7018 AT&T Enterprises, LLC 8.92ms from Chicago, US
3.22.148.48 AS16509 Amazon.com, Inc. 0.20ms from Columbus, US
69.218.221.48 AS7018 AT&T Enterprises, LLC 2.57ms from Durham, US
45.224.182.0 AS267660 T & S SERVICO DE COMUNICACAO MULTIMIDIA LTDA 6.98ms from Fortaleza, BR
129.232.24.16 AS33567 Econet Telecom Lesotho (PTY) LTD 8.26ms from Johannesburg, ZA
64.56.76.80 AS22439 Perfect International, Inc 0.87ms from Los Angeles, US
133.206.122.0 AS2518 BIGLOBE Inc. 2.21ms from Osaka, JP
98.83.57.128 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
99.18.224.0 AS7018 AT&T Enterprises, LLC 4.25ms from San Antonio, US
52.225.80.64 AS8075 Microsoft Corporation 0.60ms from San Jose, US
87.227.183.64 AS29580 A1 Bulgaria EAD 8.26ms from Sofia, BG
61.222.125.208 AS3462 Data Communication Business Group 0.92ms from Taipei, TW
106.178.160.112 AS2516 KDDI CORPORATION 2.49ms from Tokyo, JP
60.35.96.80 AS4713 NTT DOCOMO BUSINESS,Inc. 9.15ms from Tokyo, JP
210.231.28.32 AS4725 SoftBank Corp. 11.66ms from Tokyo, JP
217.217.133.144 AS59642 UAB Cherry Servers 0.33ms from Amsterdam, NL
58.9.129.0 AS17552 True Online 7.23ms from Bangkok, TH
73.246.206.16 AS7922 Comcast Cable Communications, LLC 4.53ms from Chicago, US
79.30.59.128 AS3269 Telecom Italia S.p.A. 3.94ms from Milan, IT
194.5.53.224 AS206092 F.N.S. HOLDINGS LIMITED 0.40ms from Paris, FR
184.98.43.96 AS209 CenturyLink Communications, LLC 2.24ms from Phoenix, US
125.233.37.16 AS3462 Data Communication Business Group 3.52ms from Taichung, TW
65.207.64.0 AS701 Verizon Business 2.20ms from Ashburn, US

Traceroute

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

$
traceroute -a -n -q1 -m5 128.117.4.10
traceroute to 128.117.4.10 (128.117.4.10): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Asuncion, PY
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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