1. All IP Ranges
  2. 199.0.0.0/8
  3. 199.249.0.0/16
  4. AS103  | 199.249.166.0/23

199.249.166.0/23

AS103  ·  Northwestern University

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Summary

Country United States
Domain northwestern.edu
ASN AS103
Registry ARIN
ID NWURH2

WHOIS Details

NetHandle:      NET-199-249-165-0-1
OrgID:          NORTHW-9-Z
Parent:         NET-199-0-0-0-0
NetName:        NWURH2
NetRange:       199.249.165.0 - 199.249.169.255
NetType:        allocation
RegDate:        1994-06-01
Updated:        2021-12-14
TechHandle:     NUNA-ARIN
AbuseHandle:    NUNS-ARIN
NOCHandle:      NUN-ARIN
Source:         ARIN


OrgID:          NORTHW-9-Z
OrgName:        Northwestern University
CanAllocate:    
Street:         Leverone Hall #G-166
Street:         2001 Sheridan Rd
City:           Evanston
State/Prov:     IL
Country:        US
PostalCode:     60208
RegDate:        2010-01-08
Updated:        2012-05-11
OrgAdminHandle: NTN7-ARIN
OrgTechHandle:  NUNA-ARIN
OrgAbuseHandle: NUNS-ARIN
Source:         ARIN


POCHandle:      NTN7-ARIN
IsRole:         N
LastName:       TNS
FirstName:      NUIT
Street:         2020 Ridge Ave
City:           Evanston
State/Prov:     IL
Country:        US
PostalCode:     60208
RegDate:        2009-06-26
Updated:        2026-03-24
OfficePhone:    +1-847-467-2222
Mailbox:        data-network@northwestern.edu
Source:         ARIN


POCHandle:      NUNS-ARIN
IsRole:         Y
LastName:       Northwestern University Network Security
FirstName:      
Street:         2020 Ridge Ave
City:           Evanston
State/Prov:     IL
Country:        US
PostalCode:     60208
RegDate:        2003-01-31
Updated:        2026-03-30
OfficePhone:    +1-847-467-2222
Mailbox:        security@northwestern.edu
Source:         ARIN


POCHandle:      NUN-ARIN
IsRole:         Y
LastName:       Northwestern University NOC
FirstName:      
Street:         2020 Ridge Ave
City:           Evanston
State/Prov:     IL
Country:        US
PostalCode:     60208
RegDate:        2003-01-29
Updated:        2026-03-24
OfficePhone:    +1-847-467-2222
Mailbox:        data-network@northwestern.edu
Source:         ARIN


POCHandle:      NUNA-ARIN
IsRole:         Y
LastName:       Northwestern University Network Administration
FirstName:      
Street:         2020 Ridge Ave
City:           Evanston
State/Prov:     IL
Country:        US
PostalCode:     60208
RegDate:        2003-01-29
Updated:        2025-07-15
OfficePhone:    +1-847-467-2222
Mailbox:        data-network@northwestern.edu
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 199.249.0.0/16

Range ASN Company Num of IPs
199.249.16.0/20 AS3378 Verizon Business 4,096
199.249.0.0/21 AS12129 123.Net, Inc. 2,048
199.249.170.0/23 AS174 CloudSurph LLC 512
199.249.110.0/23 AS394146 Tri City WiFi Corp. 512
199.249.188.0/24 AS174 ExecuChoice 256
199.249.255.0/24 AS19281 Quad9 256
199.249.223.0/24 AS203020 HostRoyale Technologies Pvt Ltd 256
199.249.227.0/24 AS22742 Westport Public Schools 256
199.249.205.0/24 AS23209 Virginia Housing Development Authority 256
199.249.186.0/24 AS23322 Print Mail Systems, Inc. 256
199.249.253.0/24 AS2386 Group O, Inc. 256
199.249.199.0/24 AS33657 MLK Software Services 256
199.249.190.0/24 AS393723 Greenville County Library System 256
199.249.230.0/24 AS396126 TRANS UNION OF CANADA, INC. 256
199.249.161.0/24 AS397082 Arctic Slope Regional Corporation 256
199.249.228.0/24 AS47024 The MetroHealth System 256
199.249.236.0/24 AS47041 ST BERNARDS HEALTHCARE 256
199.249.109.0/24 AS54371 City of Roseville - Minnesota 256
199.249.162.0/24 AS54550 M S International, Inc. 256
199.249.225.0/24 AS62744 Miniop Systems 256
199.249.187.0/24 AS10753 Commonwealth of PA - OA / Integrated Network Management Services 256
199.249.224.0/24 AS62744 Quintex Alliance Consulting 256
199.249.159.0/24 AS13536 STEP Tools, Inc. 256
199.249.214.0/24 AS13998 University of Texas Southwestern Medical Center 256
199.249.185.0/24 AS15314 Computer Management and Development 256

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
199.249.167.2 AS103 Northwestern University 14.73ms from Ashburn, 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
98.233.155.231 AS7922 Comcast Cable Communications, LLC 9.52ms from Ashburn, US
183.215.180.119 AS56047 China Mobile communications corporation 2.86ms from Changsha, CN
3.17.239.23 AS16509 Amazon.com, Inc. 0.15ms from Columbus, US
74.215.10.183 AS6181 Cincinnati Bell Telephone Company LLC 4.97ms from Columbus, US
41.175.243.103 AS30844 Liquid Telecommunications Ltd 0.14ms from Johannesburg, ZA
220.177.115.135 AS4134 CHINANET-BACKBONE 2.54ms from Nanchang, CN
192.241.184.215 AS14061 DigitalOcean, LLC 0.69ms from New York City, US
60.139.56.167 AS17676 SoftBank Corp. 3.99ms from Osaka, JP
201.137.148.231 AS8151 UNINET 3.74ms from Santiago de Queretaro, MX
211.232.78.71 AS17877 KX NexG Co., LTD 2.63ms from Seoul, KR
14.74.141.183 AS4766 Korea Telecom 6.31ms from Seoul, KR
121.178.228.55 AS4766 Korea Telecom 6.20ms from Seoul, KR
212.110.188.87 AS35425 Iomart Managed Services Limited 0.48ms from York, GB
39.101.220.87 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.18ms from Zhangjiakou, CN
81.206.86.39 AS1136 KPN B.V. 1.16ms from Amsterdam, NL
91.108.9.119 AS62041 Telegram Messenger Inc 0.20ms from Amsterdam, NL
89.180.71.87 AS2860 NOS COMUNICACOES, S.A. 15.39ms from Braga, PT
66.138.221.167 AS7018 AT&T Enterprises, LLC 0.92ms from Dallas, US
84.176.64.103 AS3320 Deutsche Telekom AG 2.89ms from Frankfurt am Main, DE
27.69.117.199 AS7552 Viettel Group 4.57ms from Hanoi, VN
85.105.48.39 AS9121 Turk Telekomunikasyon Anonim Sirketi 1.54ms from Izmir, TR
182.246.124.55 AS4134 CHINANET-BACKBONE 4.83ms from Kunming, CN
90.243.126.23 AS5378 Vodafone Limited 3.03ms from Manchester, GB
54.175.189.119 AS14618 Amazon.com, Inc. 0.24ms from Reston, US
189.197.49.7 AS13999 Mega Cable, S.A. de C.V. 7.02ms from Santiago de Querétaro, MX

Traceroute

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

$
traceroute -a -n -q1 -f5 -m9 199.249.167.190
traceroute to 199.249.167.190 (199.249.167.190): 9 hops max, 52 byte packets
5 [AS3356] 4.69.219.114 105.793 ms
6 [AS3356] 4.36.4.174 110.748 ms
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Oslo, NO
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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