217.177.16.0/20

AS5503 · RM Education Ltd

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Summary

Country	United Kingdom
Domain	rm.com
ASN	AS5503
Registry	RIPE
ID	UK-RESEARCHMACHINES-20010302

WHOIS Details

inetnum:        217.177.0.0 - 217.177.47.255
netname:        UK-RESEARCHMACHINES-20010302
country:        GB
org:            ORG-RMp1-RIPE
admin-c:        RMS4-RIPE
tech-c:         RMS4-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RMIFL-MNT
mnt-lower:      RMIFL-MNT
mnt-routes:     RMIFL-MNT
created:        2025-11-20T10:21:32Z
last-modified:  2025-11-20T10:21:32Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        AR17877-RIPE
abuse-org:      ORG-RMp1-RIPE

organisation:   ORG-RMp1-RIPE
org-name:       RM Education Ltd
country:        GB
org-type:       LIR
address:        142B Park Drive, Milton Park
address:        OX14 4SE
address:        Abingdon
address:        UNITED KINGDOM
phone:          +441235826000
fax-no:         +448450700400
e-mail:         [email protected]
admin-c:        MB36265-RIPE
admin-c:        AD12732-RIPE
admin-c:        SR753
abuse-c:        AR17877-RIPE
ref-nfy:        [email protected]
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        RMIFL-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RMIFL-MNT
created:        2004-04-17T12:21:01Z
last-modified:  2022-12-16T10:05:47Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        AR17877-RIPE
abuse-org:      undefined

role:           Research Machines Staff
address:        RM Education Ltd
address:        142B Park Drive
address:        Milton Park
address:        Abingdon
address:        Oxfordshire
address:        OX14 4SE
address:        United Kingdom
phone:          +44 1235 826000
fax-no:         +44 1235 826999
e-mail:         [email protected]
remarks:        trouble: IMPORTANT NOTICE
remarks:        trouble: If you wish to report abuse originating from within the
remarks:        trouble: from within the Internet for Learning network please
remarks:        trouble: mailto:[email protected]
admin-c:        AD12732-RIPE
tech-c:         SR753
tech-c:         AD12732-RIPE
nic-hdl:        RMS4-RIPE
mnt-by:         RMIFL-MNT
created:        2001-11-27T13:22:14Z
last-modified:  2023-04-05T07:51:46Z
source:         RIPE
abuse-mailbox:  [email protected]

route:          217.177.36.0/22
origin:         AS5503
descr:          RM Education
mnt-by:         AS5503-MNT
created:        2024-09-19T21:33:44Z
last-modified:  2024-09-19T21:33:44Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 217.177.0.0/16

No nearby ranges found.

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
217.177.24.135	esher.surrey.sch.uk	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

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Pingable IPs

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

IP Address	ASN	Details
217.177.18.123	AS5503 RM Education Ltd	`0.58ms` from London, GB
217.177.16.200	AS5503 RM Education Ltd	`0.56ms` from London, GB
217.177.23.188	AS5503 RM Education Ltd	`3.16ms` from London, GB
217.177.24.251	AS5503 RM Education Ltd	`0.56ms` from London, GB
217.177.21.44	AS5503 RM Education Ltd	`0.58ms` from London, GB
217.177.19.33	AS5503 RM Education Ltd	`0.59ms` from London, GB
217.177.22.9	AS5503 RM Education Ltd	`4.12ms` from London, GB

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
160.178.77.180	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`8.78ms` from Casablanca, MA
132.232.11.180	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.86ms` from Chengdu, CN
123.31.2.164	AS45899 VNPT Corp	`3.94ms` from Da Nang, VN
51.12.216.116	AS8075 Microsoft Corporation	`0.26ms` from Gaevle, SE
123.18.244.180	AS45899 VNPT Corp	`1.94ms` from Hanoi, VN
78.27.107.148	AS16086 DNA Oyj	`0.75ms` from Helsinki, FI
2.61.108.84	AS12389 PJSC Rostelecom	`9.07ms` from Krasnoyarsk, RU
68.7.79.196	AS22773 Cox Communications Inc.	`7.41ms` from Los Angeles, US
76.219.191.164	AS7018 AT&T Enterprises, LLC	`17.56ms` from Los Angeles, US
79.9.78.4	AS3269 Telecom Italia S.p.A.	`4.37ms` from Milan, IT
77.38.132.68	AS20910 SIA "BITE Latvija"	`0.43ms` from Riga, LV
131.120.157.52	AS668 United States Department of Defense (DoD)	`3.78ms` from San Jose, US
182.228.16.244	AS17858 LG POWERCOMM	`1.89ms` from Seoul, KR
77.233.251.84	AS31027 GlobalConnect A/S	`2.28ms` from Skanderborg, DK
13.236.115.116	AS16509 Amazon.com, Inc.	`0.15ms` from Sydney, AU
77.174.81.228	AS1136 KPN B.V.	`2.53ms` from Amsterdam, NL
181.236.67.116	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`18.23ms` from Bogota, CO
40.75.101.164	AS8075 Microsoft Corporation	`0.23ms` from Boydton, US
93.222.155.100	AS3320 Deutsche Telekom AG	`8.49ms` from Frankfurt am Main, DE
91.125.160.244	AS6871 Plusnet	`8.41ms` from London, GB
110.42.53.20	AS136188 NINGBO, ZHEJIANG Province, P.R.China.	`0.28ms` from Ningbo, CN
36.14.205.100	AS2516 KDDI CORPORATION	`12.70ms` from Osaka, JP
58.145.33.164	AS9689 SK Broadband Co Ltd	`2.23ms` from Seoul, KR
102.42.161.100	AS8452 TE-AS	`7.49ms` from Cairo, EG
219.152.31.148	AS4134 CHINANET-BACKBONE	`2.37ms` from Chongqing, CN

Traceroute

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

traceroute -a -n -q1 -f7 -m11 217.177.22.9

traceroute to 217.177.22.9 (217.177.22.9): 11 hops max, 52 byte packets

7 [AS5503] 194.154.4.220 23.491 ms

8 [AS5503] 194.154.4.168 21.805 ms

9 *

10 *

11 *

Measurement taken from

IPinfo ProbeNet in Paris, FR

On November 28th 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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