81.52.185.0/24

AS51964 · ORANGE BUSINESS SERVICES U.S. Inc.

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Summary

Country	Hong Kong
Domain	orange.com
ASN	AS51964
Registry	RIPE
ID	OTI-VOIP-INTERNET

WHOIS Details

inetnum:        81.52.185.0 - 81.52.185.255
netname:        OTI-VOIP-INTERNET
descr:          NGN CTI4G
country:        HK
admin-c:        AO3173-RIPE
tech-c:         NO21-RIPE
status:         ASSIGNED PA
mnt-by:         FT-BRX
created:        2012-03-07T14:19:06Z
last-modified:  2012-03-07T14:19:06Z
source:         RIPE
abuse-email:    gestionip.ft@orange.com
abuse-c:        BRX1-RIPE
abuse-org:      ORG-FT2-RIPE

role:           Admin Opentransit
address:        Orange
address:        61, rue des Archives
address:        75003 Paris, France
e-mail:         admin.opentransit@list.orange.com
admin-c:        NO21-RIPE
tech-c:         NO21-RIPE
mnt-by:         FTRSI
mnt-by:         FT-BRX
nic-hdl:        AO3173-RIPE
created:        2002-06-28T14:45:30Z
last-modified:  2022-07-22T12:14:45Z
source:         RIPE

role:           Noc Opentransit
remarks:        24/7 Opentransit IP Product Support
phone:          +44 208 321 1351
e-mail:         opentransit.noc@orange.com
address:        Gurgaon, India
admin-c:        AO3173-RIPE
tech-c:         AO3173-RIPE
nic-hdl:        NO21-RIPE
mnt-by:         FTRSI
mnt-by:         FT-BRX
created:        2002-06-14T14:12:07Z
last-modified:  2025-03-17T13:24:21Z
source:         RIPE

route:          81.52.185.0/24
descr:          Opentransit
descr:          France Telecom
origin:         AS2300
mnt-by:         FT-BRX
created:        2012-04-04T15:37:46Z
last-modified:  2012-04-04T15:37:46Z
source:         RIPE

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

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

IP Address	ASN	Details
81.52.185.5	AS51964 ORANGE BUSINESS SERVICES U.S. Inc.	`1.25ms` from Singapore, SG

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
77.170.50.200	AS1136 KPN B.V.	`2.46ms` from Amsterdam, NL
124.193.25.120	AS4847 China Networks Inter-Exchange	`5.41ms` from Beijing, CN
134.96.239.168	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`5.90ms` from Frankfurt am Main, DE
110.235.97.200	AS9269 Hong Kong Broadband Network Ltd.	`1.08ms` from Hong Kong, HK
66.127.1.168	AS7018 AT&T Enterprises, LLC	`2.36ms` from Los Angeles, US
183.211.160.168	AS56046 China Mobile communications corporation	`2.47ms` from Nanjing, CN
187.46.217.152	AS26615 TIM S/A	`1.89ms` from Osasco, BR
104.40.69.184	AS8075 Microsoft Corporation	`0.56ms` from San Jose, US
220.78.118.216	AS4766 Korea Telecom	`1.63ms` from Seoul, KR
43.216.131.152	AS16509 Amazon.com, Inc.	`0.53ms` from Sepang, MY
79.191.204.88	AS5617 Orange Polska Spolka Akcyjna	`13.21ms` from Warsaw, PL
112.47.239.184	AS9808 China Mobile Communications Group Co., Ltd.	`1.83ms` from Xiamen, CN
80.61.18.168	AS1136 KPN B.V.	`2.41ms` from Amsterdam, NL
192.24.200.216	AS6181 Cincinnati Bell Telephone Company LLC	`2.33ms` from Cincinnati, US
3.145.99.40	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
178.31.170.168	AS2119 Telenor Norge AS	`16.14ms` from Copenhagen, DK
34.250.118.200	AS16509 Amazon.com, Inc.	`0.21ms` from Dublin, IE
218.14.192.8	AS4134 CHINANET-BACKBONE	`10.60ms` from Guangzhou, CN
91.8.229.184	AS3320 Deutsche Telekom AG	`4.44ms` from Hamburg, DE
115.76.113.248	AS7552 Viettel Group	`1.05ms` from Ho Chi Minh City, VN
78.180.236.8	AS9121 Turk Telekomunikasyon Anonim Sirketi	`1.47ms` from Istanbul, TR
37.54.210.56	AS6849 JSC "Ukrtelecom"	`7.58ms` from Kyiv, UA
90.212.65.40	AS5607 Sky UK Limited	`3.50ms` from London, GB
65.8.25.24	AS16509 Amazon.com, Inc.	`0.17ms` from Miami, US
68.117.83.104	AS20115 Charter Communications LLC	`14.32ms` from Minneapolis, US

Traceroute

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

traceroute -a -n -q1 81.52.185.8

traceroute to 81.52.185.8 (81.52.185.8): 64 hops max, 52 byte packets

1 [AS15169] 66.249.95.81 216.62 ms

2 [AS15169] 108.170.248.242 217.913 ms

3 [AS2500] 202.249.2.41 225.509 ms

4 *

5 [AS51964] 81.52.185.8 222.018 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On August 22nd 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.

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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