205.241.51.0/24

AS174 · Cogent Communications

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Summary

Country	United States
Domain	nasonline.org
ASN	AS174
Parent Range	205.240.0.0/13
Registry	ARIN
ID	SPRINTLINK

WHOIS Details

NetHandle:      NET-205-241-51-0-1
OrgID:          NAS-13
Parent:         NET-205-240-0-0-1
NetName:        SPRINTLINK
NetRange:       205.241.51.0 - 205.241.51.255
NetType:        reassignment
RegDate:        2017-11-08
Updated:        2017-11-08
Source:         ARIN


OrgID:          NAS-13
OrgName:        National Academy of Sciences
CanAllocate:    
Street:         500 5th Street, NW
Street:         Suite Terrell 514
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20001
RegDate:        1996-11-05
Updated:        2010-07-19
OrgAdminHandle: FDK-ARIN
OrgTechHandle:  CMI26-ARIN
OrgAbuseHandle: CMI26-ARIN
OrgNOCHandle:   CMI26-ARIN
Source:         ARIN


POCHandle:      CMI26-ARIN
IsRole:         N
LastName:       Miletti
FirstName:      Carlos
Street:         500 5th Street NW
Street:         Suite K741
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20001
RegDate:        2004-06-25
Updated:        2023-11-07
OfficePhone:    +1-202-334-2713
FaxPhone:       +1-202-334-3749
Mailbox:        cmiletti@nas.edu
Source:         ARIN


POCHandle:      FDK-ARIN
IsRole:         N
LastName:       Kazemzadeh
FirstName:      Fardad
Street:         2001 Wisconsin Avenue
Street:         Suite GR226
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20001
RegDate:        2004-06-25
Updated:        2016-03-16
OfficePhone:    +1-202-334-3436
Mailbox:        dkazem@nas.edu
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 205.241.51.0/24

Range	ASN	Company	Num of IPs
205.240.0.0/13	AS13676	Sprint	524,288
205.240.0.0/13	AS174	Sprint	524,288
205.240.0.0/13	AS328867	Sprint	524,288
205.240.0.0/13	AS40508	Sprint	524,288

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
72.180.236.88	AS11427 Charter Communications Inc	`11.81ms` from Houston, US
94.1.127.184	AS5607 Sky UK Limited	`11.58ms` from London, GB
80.189.128.184	AS6871 Plusnet	`6.34ms` from London, GB
45.49.2.40	AS20001 Charter Communications Inc	`6.60ms` from Los Angeles, US
99.106.98.248	AS7018 AT&T Enterprises, LLC	`2.25ms` from Los Angeles, US
80.28.250.248	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.15ms` from Madrid, ES
80.46.135.40	AS9105 TalkTalk Communications Limited	`8.39ms` from Manchester, GB
34.49.155.248	AS396982 Google LLC	`0.08ms` from Melbourne, AU
68.160.234.184	AS701 Verizon Business	`2.79ms` from New York City, US
85.255.44.232	AS62225 Viken Fiber AS	`3.83ms` from Oslo, NO
90.12.80.184	AS3215 Orange S.A.	`10.43ms` from Paris, FR
112.230.58.216	AS4837 CHINA UNICOM China169 Backbone	`6.27ms` from Qingdao, CN
3.90.65.8	AS14618 Amazon.com, Inc.	`0.54ms` from Reston, US
27.239.111.184	AS4766 Korea Telecom	`5.91ms` from Seoul, KR
222.236.31.152	AS9318 SK Broadband Co Ltd	`1.76ms` from Seoul, KR
89.78.87.232	AS9141 P4 Sp. z o.o.	`12.77ms` from Warsaw, PL
80.218.204.184	AS6730 Sunrise GmbH	`4.33ms` from Zuerich, CH
199.253.116.248	AS393568 ITT Corporation	`2.57ms` from Boston, US
200.163.81.232	AS8167 V tal	`17.11ms` from Brasilia, BR
45.241.29.216	AS24863 Link Egypt (Link.NET)	`9.63ms` from Cairo, EG
76.157.35.8	AS7922 Comcast Cable Communications, LLC	`5.53ms` from Chicago, US
113.189.96.248	AS45899 VNPT Corp	`7.32ms` from Da Nang, VN
97.229.34.136	AS6167 Verizon Business	`19.11ms` from Dallas, US
108.228.19.136	AS7018 AT&T Enterprises, LLC	`4.12ms` from Houston, US
76.91.134.40	AS20001 Charter Communications Inc	`4.55ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 -m15 205.241.51.148

traceroute to 205.241.51.148 (205.241.51.148): 15 hops max, 52 byte packets

1 [AS136052] 103.193.179.254 0.079 ms

2 *

3 *

4 *

5 *

6 *

7 *

8 *

9 *

10 [AS174] 154.54.87.145 185.44 ms

11 [AS174] 154.54.167.226 181.263 ms

12 [AS174] 144.228.75.242 180.557 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Jakarta, ID

On September 11th 2025

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.

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