81.31.80.0/20

AS3292 · TDC Holding A/S

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Summary

Country	Denmark
Domain	tdc.net
ASN	AS3292
Registry	RIPE
ID	DK-TELEDANMARK-20060406

WHOIS Details

inetnum:        81.31.80.0 - 81.31.95.255
netname:        DK-TELEDANMARK-20060406
country:        DK
org:            ORG-TD1-RIPE
admin-c:        AS5071-RIPE
tech-c:         AS5071-RIPE
tech-c:         NCB1-RIPE
status:         ALLOCATED PA
remarks:        For abuse and security issues please
remarks:        see http://postmaster.tdc.dk or
remarks:        contact postmaster@abuse.mail.dk
notify:         notify@ip.tele.dk
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS3292-MNT
mnt-lower:      TDK-MNT
mnt-lower:      AS3292-MNT
mnt-routes:     TDK-MNT
mnt-irt:        IRT-TDC-CSIRT
created:        2006-04-06T09:31:06Z
last-modified:  2016-09-15T15:58:24Z
source:         RIPE
abuse-email:    postmaster@abuse.mail.dk
abuse-c:        TDCA2-RIPE
abuse-org:      ORG-TD1-RIPE

organisation:   ORG-TD1-RIPE
org-name:       TDC Holding A/S
country:        DK
org-type:       LIR
address:        Sletvej 30
address:        DK-8310
address:        Tranbjerg J
address:        DENMARK
phone:          +45 7070 3000
e-mail:         LIR@tdcnet.dk
admin-c:        NCB1-RIPE
admin-c:        MDBO1-RIPE
admin-c:        MBP137-RIPE
abuse-c:        TDCA2-RIPE
notify:         staff@eng.tdc.net
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS3292-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS3292-MNT
created:        2004-04-17T11:14:52Z
last-modified:  2024-05-29T09:36:48Z
source:         RIPE
abuse-email:    postmaster@abuse.mail.dk
abuse-c:        TDCA2-RIPE
abuse-org:      undefined

role:           AS3292 Staff
address:        TDC A/S
address:        Sletvej 30, 8-062
address:        DK-8310 Tranbjerg
address:        Denmark
e-mail:         staff@eng.tdc.net
remarks:        contact info: http://as3292.peeringdb.com
admin-c:        NCB1-RIPE
admin-c:        MBP137-RIPE
tech-c:         NCB1-RIPE
tech-c:         CP11490-RIPE
tech-c:         MBP137-RIPE
notify:         staff@eng.tdc.net
nic-hdl:        AS5071-RIPE
mnt-by:         AS3292-MNT
created:        2002-07-02T13:36:00Z
last-modified:  2024-05-21T09:07:14Z
source:         RIPE

person:         Niels Christian Bank-Pedersen
address:        TDC A/S
address:        Sletvej 30, 6-082
address:        8310 Tranbjerg J
address:        Denmark
phone:          +45 66 65 06 33
e-mail:         ncbp@bank-pedersen.dk
nic-hdl:        NCB1-RIPE
mnt-by:         AS3292-MNT
created:        2002-06-07T08:42:28Z
last-modified:  2013-11-01T04:42:24Z
source:         RIPE

route:          81.31.80.0/20
descr:          DK-TELEDANMARK-20060406
origin:         AS3292
remarks:        +---------------------------------------+
remarks:        | For abuse and security issues please |
remarks:        | see http://postmaster.tdc.dk or |
remarks:        | contact postmaster@abuse.mail.dk |
remarks:        +---------------------------------------+
notify:         notify@ip.tele.dk
mnt-by:         AS3292-MNT
created:        2011-04-27T13:28:17Z
last-modified:  2011-04-27T13:28:17Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 81.31.0.0/16

Range	ASN	Company	Num of IPs
81.31.96.0/19	AS8468	Cityfibre Limited	8,192
81.31.160.0/19	AS12660	Sharif University Of Technology	8,192
81.31.0.0/19	AS3257	GTT Communications Inc.	8,192
81.31.48.0/20	AS41242	Sofor Oy	4,096
81.31.128.0/20	AS7029	7 REASONS S.R.L.	4,096
81.31.32.0/20	AS24971	MasterDC s.r.o.	4,096
81.31.64.0/20	AS12519	FastNet International Ltd	4,096
81.31.204.0/22	AS197383	ACTIVIUM INFORMATION DESIGN SAS	1,024
81.31.252.0/22	AS56876	Chapar Rasaneh LLC	1,024
81.31.242.0/23	AS61317	Chapar Rasaneh LLC	512
81.31.200.0/23	AS44521	Jagex Limited	512
81.31.210.0/23	AS3320	Adrian Landsgesell trading as Landsgesell & Graca Costa Solutions GbR	512
81.31.202.0/23	AS44521	Jagex Limited	512
81.31.235.0/24	AS212609	Private Customer	256
81.31.231.0/24	AS214271	Private Customer	256
81.31.213.0/24	AS214456	ServerSP NOC - Hosting Infrastructure	256
81.31.193.0/24	AS398781	cleardocks LLC	256
81.31.232.0/24	AS401443	Private Customer	256
81.31.199.0/24	AS44486	Marco Lingl trading as Cyberse GmbH & Co. KG	256
81.31.145.0/24	AS47242	Host SpA	256
81.31.146.0/24	AS47242	Host Virtual Datacenter Service Network	256
81.31.147.0/24	AS47242	Host SpA	256
81.31.148.0/24	AS47242	Host SpA	256
81.31.149.0/24	AS47242	Host SpA	256
81.31.151.0/24	AS47242	Host SpA	256
81.31.154.0/24	AS47242	Host Core Network Infrastructure	256
81.31.155.0/24	AS47242	Host SpA	256
81.31.156.0/24	AS47242	Host SpA	256
81.31.157.0/24	AS47242	Host SpA	256
81.31.233.0/24	AS57235	KhatamUnivercity	256
81.31.236.0/24	AS57235	Soheil Saeidi	256
81.31.238.0/24	AS57235	SamanShahmir	256
81.31.239.0/24	AS57235	Khayam Building	256
81.31.248.0/24	AS57235	Sky Com	256
81.31.247.0/24	AS57494	JSC TIMEWEB	256
81.31.246.0/24	AS9123	JSC TIMEWEB	256
81.31.234.0/24	AS149766	Y.U.T Corporate Company Limited	256
81.31.208.0/24	AS150623	HostDZire Web Services Private Limited	256
81.31.214.0/24	AS198016	KSS	256
81.31.197.0/24	AS204601	Zomro B.V.	256
81.31.215.0/24	AS206292	GHCMNET	256
81.31.209.0/24	AS207513	HOSTOFF infrastructure and hosting services	256
81.31.194.0/24	AS208220	Offerhost Solutions Inc	256
81.31.195.0/24	AS208220	Offerhost Solutions Inc	256
81.31.244.0/24	AS210976	Timeweb, LLP	256
81.31.245.0/24	AS210976	Timeweb, LLP	256
81.31.196.0/24	AS211216	Protese S.L.	256
81.31.198.0/24	AS211415	DEMA Com Ltd.	256
81.31.212.0/24	AS211431	Andrew A	256

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
81.31.94.238	jravn.dk	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

Read more

Pingable IPs

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

IP Address	ASN	Details
81.31.88.1	AS3292 TDC Holding A/S	`0.89ms` from Copenhagen, DK
81.31.85.1	AS3292 TDC Holding A/S	`2.38ms` from Tønder, DK
81.31.82.1	AS3292 TDC Holding A/S	`3.12ms` from Skanderborg, DK
81.31.87.129	AS3292 TDC Holding A/S	`1.61ms` from Skanderborg, DK
81.31.90.46	AS3292 TDC Holding A/S	`2.03ms` from Copenhagen, DK
81.31.93.194	AS3292 TDC Holding A/S	`1.06ms` from Copenhagen, DK
81.31.83.129	AS3292 TDC Holding A/S	`1.37ms` from Skanderborg, DK
81.31.86.1	AS3292 TDC Holding A/S	`2.26ms` from Tønder, DK
81.31.80.1	AS3292 TDC Holding A/S	`2.30ms` from Tønder, DK
81.31.92.1	AS3292 TDC Holding A/S	`0.79ms` from Copenhagen, DK
81.31.89.138	AS3292 TDC Holding A/S	`1.53ms` from Copenhagen, DK
81.31.94.193	AS3292 TDC Holding A/S	`0.83ms` from Copenhagen, DK
81.31.91.129	AS3292 TDC Holding A/S	`0.91ms` from Copenhagen, DK
81.31.95.14	AS3292 TDC Holding A/S	`1.53ms` from Copenhagen, DK

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
194.165.129.244	AS8376 Jordan Data Communications Company LLC	`0.51ms` from Amman, JO
84.87.229.212	AS1136 KPN B.V.	`1.46ms` from Amsterdam, NL
155.102.130.180	AS24429 Zhejiang Taobao Network Co.,Ltd	`0.10ms` from Ashburn, US
117.216.220.244	AS9829 National Internet Backbone	`3.27ms` from Bengaluru, IN
75.244.57.36	AS6167 Verizon Business	`12.82ms` from Chicago, US
179.253.251.84	AS8167 V tal	`1.14ms` from Curitiba, BR
98.159.153.52	AS14127 Iland Internet Solutions Corporation	`1.06ms` from Dallas, US
186.43.142.36	AS27668 ETAPA EP	`5.71ms` from Guayaquil, EC
202.123.226.196	AS18379 CSMNAP-ASN	`2.30ms` from Jakarta, ID
181.132.116.68	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`8.70ms` from Medellin, CO
180.11.182.244	AS4713 NTT DOCOMO BUSINESS,Inc.	`14.86ms` from Osaka, JP
176.166.146.244	AS5410 Bouygues Telecom SA	`7.10ms` from Paris, FR
130.250.213.4	AS63252 H5 Data Centers	`1.17ms` from Phoenix, US
52.5.14.116	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
117.215.125.100	AS9829 National Internet Backbone	`11.31ms` from Saint Thomas Mount, IN
97.126.35.164	AS209 CenturyLink Communications, LLC	`1.69ms` from Seattle, US
32.217.56.52	AS46690 Southern New England Telephone Company and SNET America, Inc.	`4.04ms` from Secaucus, US
112.158.248.244	AS17858 LG POWERCOMM	`2.25ms` from Seoul, KR
203.216.179.164	AS17878 DREAMMARK1	`1.06ms` from Seoul, KR
87.195.192.148	AS12414 Solcon Internetdiensten B.V.	`7.13ms` from Amsterdam, NL
212.125.136.4	AS214406 HTCE Site Management BV	`3.02ms` from Amsterdam, NL
162.141.222.212	AS7029 Windstream Communications LLC	`0.40ms` from Ashburn, US
20.22.236.84	AS8075 Microsoft Corporation	`0.30ms` from Boydton, US
173.15.254.180	AS7922 Comcast Cable Communications, LLC	`9.78ms` from Flint, US
92.213.92.20	AS3209 Vodafone GmbH	`8.41ms` from Hamburg, DE

Traceroute

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

traceroute -a -n -q1 -f5 81.31.91.220

traceroute to 81.31.91.220 (81.31.91.220): 64 hops max, 52 byte packets

5 [AS3292] 83.88.0.145 2.046 ms

6 [AS3292] 81.31.91.220 21.834 ms

Measurement taken from

IPinfo ProbeNet in Copenhagen, DK

On December 6th 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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