136.145.18.0/24

AS5786 · University of Puerto Rico

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Summary

Country	Puerto Rico
Domain	upr.edu
ASN	AS5786
Parent Range	136.145.0.0/16
Registry	ARIN
ID	UPR

WHOIS Details

NetHandle:      NET-136-145-0-0-1
OrgID:          UPR-7-Z
Parent:         NET-136-0-0-0-0
NetName:        UPR
NetRange:       136.145.0.0 - 136.145.255.255
NetType:        allocation
Comment:        Geofeed https://www.upr.edu/geofeed.csv
RegDate:        1989-08-29
Updated:        2025-04-08
TechHandle:     FGR-ARIN
AbuseHandle:    FGR-ARIN
NOCHandle:      FGR-ARIN
Source:         ARIN


OrgID:          UPR-7-Z
OrgName:        University of Puerto Rico
CanAllocate:    
Street:         Jardin Botanico Sur. 1187
Street:         Calle Flamboyan
City:           San Juan
State/Prov:     PR
Country:        PR
PostalCode:     00926
Comment:        Geofeed https://www.upr.edu/geofeed.csv
RegDate:        2023-08-10
Updated:        2024-04-22
OrgAdminHandle: FGR-ARIN
OrgTechHandle:  FGR-ARIN
OrgAbuseHandle: FGR-ARIN
OrgNOCHandle:   FGR-ARIN
Source:         ARIN


POCHandle:      FGR-ARIN
IsRole:         N
LastName:       Ramos
FirstName:      Felix
Street:         Jardin Botanico Sur
Street:         1187 Flamboyan Street
City:           San Juan
State/Prov:     Puerto Rico
Country:        PR
PostalCode:     00926-1117
RegDate:        1993-03-22
Updated:        2025-04-22
OfficePhone:    +1-787-250-0000
FaxPhone:       +1-787-763-6760
Mailbox:        felix.ramos@upr.edu
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 136.145.18.0/24

Range	ASN	Company	Num of IPs
136.145.0.0/16	AS5786	University of Puerto Rico	65,536

Nearby Ranges

BGP prefixes that overlap with 136.145.0.0/16

Range	ASN	Company	Num of IPs
136.145.0.0/16	AS5786	University of Puerto Rico	65,536

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

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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
44.238.53.88	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
73.219.37.104	AS7922 Comcast Cable Communications, LLC	`8.39ms` from Boston, US
221.9.94.104	AS4837 CHINA UNICOM China169 Backbone	`0.86ms` from Changchun, CN
211.149.239.104	AS38283 CHINANET SiChuan Telecom Internet Data Center	`4.56ms` from Chengdu, CN
125.177.222.24	AS17858 LG POWERCOMM	`2.23ms` from Incheon, KR
194.73.18.88	AS2856 British Telecommunications PLC	`0.93ms` from London, GB
45.77.69.72	AS20473 The Constant Company, LLC	`0.14ms` from Los Angeles, US
73.125.195.40	AS7922 Comcast Cable Communications, LLC	`5.11ms` from Miami, US
92.127.124.40	AS12389 PJSC Rostelecom	`9.00ms` from Novosibirsk, RU
78.84.81.120	AS12578 SIA Tet	`2.35ms` from Riga, LV
101.35.24.8	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.41ms` from Shanghai, CN
203.98.200.152	AS174 Cogent Communications, LLC	`0.70ms` from Tokyo, JP
172.104.85.72	AS63949 Akamai Connected Cloud	`0.14ms` from Tokyo, JP
105.109.225.24	AS36947 Telecom Algeria	`12.13ms` from Algiers, DZ
77.166.55.40	AS1136 KPN B.V.	`3.04ms` from Amsterdam, NL
97.242.74.120	AS6167 Verizon Business	`11.49ms` from Chicago, US
97.98.219.184	AS11427 Charter Communications Inc	`4.81ms` from Dallas, US
23.34.252.24	AS9829 National Internet Backbone	`5.11ms` from Delhi, IN
130.244.116.168	AS1257 Tele2 Sverige AB	`0.58ms` from Goeteborg, SE
1.189.215.168	AS4837 CHINA UNICOM China169 Backbone	`5.34ms` from Harbin, CN
189.103.18.88	AS28573 Claro NXT Telecomunicacoes Ltda	`10.78ms` from Sao Paulo, BR
14.100.94.40	AS9506 Singtel Fibre Broadband	`1.39ms` from Singapore, SG
104.196.246.232	AS396982 Google LLC	`0.17ms` from The Dalles, US
110.240.24.184	AS4837 CHINA UNICOM China169 Backbone	`8.24ms` from Beijing, CN
202.90.50.56	AS9336 XYZ Telecom Pty Ltd	`0.12ms` from Brisbane, AU

Traceroute

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

traceroute -a -n -q1 136.145.18.235

traceroute to 136.145.18.235 (136.145.18.235): 64 hops max, 52 byte packets

1 [AS7195] 200.25.18.193 4.268 ms

2 [AS20080] 170.39.8.51 28.167 ms

3 *

4 [AS5786] 136.145.228.101 27.903 ms

5 [AS5786] 136.145.252.137 27.516 ms

6 [AS5786] 136.145.252.42 27.723 ms

7 [AS5786] 136.145.18.235 27.629 ms

Measurement taken from

IPinfo ProbeNet in San Juan, PR

On April 13th 2026

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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