🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS701, with the network's IPv6 and DNSSEC adoption and its observed prefixes. An autonomous system is the routing identity of a hosting company or ISP. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.

📈 Domains over time#

109 days
18181920202026-07-012026-08-242026-10-17
18 latest-2 over 109 days

Active .dk domains whose website address (A record) is announced by AS701, counted once a day.

🌐 AS701 at a glance#

Verizon Business

AS701 is announced by Verizon Business (United States) and currently hosts 18 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 17 unique IPv4 addresses on this network, and the domains currently sit in 13 IPv4 CIDR blocks covering roughly 186.4 thousand addresses of IPv4 space.

We have yet to observe any IPv6 (AAAA) hosting on this AS.

The network is part of the .dk zone's infrastructure too: 17 distinct nameservers and 10 distinct mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 6 of the domains hosted here (33.3%) validate as DNSSEC-secure — below the zone-wide average for domains with a web address, 70.5%. See how this AS compares on the ASN statistics page, or drill into the CIDR list below the results.

🛰️ Upstream providers of AS701#

via ipbot.dk

UUNET - Verizon Business announces 992 prefixes (958 IPv4, 34 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS1299TWELVE99 Arelion Sweden AB
100.0%
AS174Cogent Communications, LLC
59.1%
AS3356Level 3 Parent, LLC
58.7%
AS2914NTT-DATA-2914 - NTT America, Inc.
47.2%
AS6939Hurricane Electric LLC
34.8%
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.
22.2%
AS3257GTT-BACKBONE GTT Communications Inc.
17.5%
AS6453TATA COMMUNICATIONS (AMERICA) INC
16.4%
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.
12.6%
AS3320DTAG Deutsche Telekom AG
12.0%

Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.

🔻 Networks using AS701 as upstream#

64 networks
NetworkNameDomainsPower
AS5650FRONTIER-FRTR - Frontier Communications of America, Inc.—
100.0%
AS703UUNET - Verizon Business—
80.6%
AS11664Techtel LMDS Comunicaciones Interactivas S.A.—
70.6%
AS9318SKB-AS-KR - SK Broadband Co Ltd—
43.6%
AS14080Telmex Colombia S.A.—
28.8%
AS17676GIGAINFRA - SoftBank Corp.—
28.6%
AS702UUNET - Verizon Business52
27.0%
AS4766KIXS-AS-KR-KR - Korea Telecom—
25.1%
AS4837CHINA169-Backbone - CHINA UNICOM China169 Backbone—
19.6%
AS1339ANSBB-ASNNET-1 - Verizon Business—
18.2%
AS1321ANSBB-ASNNET-1 - Verizon Business—
15.9%
AS2516KDDI CORPORATION—
12.4%
AS10396COQUI-NET - DATACOM CARIBE, INC.—
11.0%
AS36692CISCO-UMBRELLA - Cisco OpenDNS, LLC—
9.9%
AS23005SWITCH, LTD—
9.4%
AS12252America Movil Peru S.A.C.—
8.9%
AS15644Fresenius SE & Co. KGaA—
6.2%
AS13893EHI-NA-AS-1 - Enterprise Holdings, Inc.—
4.9%
AS19574CSC - Corporation Service Company4,067
4.8%
AS7246BMS-AS - Bristol-Myers Squibb Company41
4.6%
AS23352SERVERCENTRAL - DEFT.COM64
4.3%
AS3738SSB-ASN-3738 - State Street Bank and Trust Company—
4.1%
AS21595Baxter Healthcare—
4.1%
AS17161MMC - Marsh Inc.—
4.0%
AS17381AS-WSI-ECOM-WEST - Williams-Sonoma—
3.8%
AS23167BAYER-ARCH - Bayer Corporation—
3.6%
AS31747BlackRock Financial Management, Inc.—
3.5%
AS11676Conduent Business Services, LLC—
3.2%
AS16751OPENTEXT-NA-CA-1 - Open Text Corporation—
3.2%
AS109CISCO SYSTEMS, INC.—
3.2%
AS714APPLE-ENGINEERING - Apple Inc.—
3.2%
AS54535NIKEUS-NV - Nike, Inc.—
3.2%
AS1699ANS-1699-AS - Verizon Business—
3.1%
AS14852DCX - DaimlerChrysler Corporation—
3.1%
AS2830Verizon-dual-homed-customers Verizon Nederland B.V.—
3.1%
AS54018EG-USWEST - EXPEDIA, INC—
3.1%
AS27552TWDX - TowardEX Technologies International, Inc.—
3.1%
AS26966Spraying Systems Co.—
3.0%
AS29764AMETEK-CTC - AMETEK Inc.—
3.0%
AS18816ANDREWCORP-AOP - CommScope Technologies LLC—
2.8%
AS6619Unknown—
2.8%
AS17151Vonage Holdings, Inc.—
2.5%
AS9929CUII - CHINA UNICOM Industrial Internet Backbone—
2.5%
AS11172Alestra, S. de R.L. de C.V.—
2.4%
AS55821RADIUSTELECOMS-AS-AP - RADIUS TELECOMS, INC.—
1.9%
AS399257INCOMM-NET4 - InComm—
1.6%
AS16037TETRAPAK-AS AB Tetra Pak—
1.6%
AS19229IFOXNETODPD-ENSONO-DCCS - Ensono LP—
1.1%
AS23550HUB Advanced Networks, LLC—
0.9%
AS16406AS-INTERMEDIA - Intermedia.net, Inc.—
0.4%
AS11360ELECFORIMAG - Electronics for Imaging, Inc.—
0.4%
AS46318TECHOPS-ASN-4 - Live Nation Entertainment, Inc.—
0.3%
AS398453INCOMM-NET3 - InComm—
0.2%
AS33478TECHOPS-ASN-2 - Live Nation Entertainment, Inc.—
0.2%
AS25694Atomic Data LLC—
0.2%
AS16744WUCHICAGO - THE WESTERN UNION COMPANY—
0.2%
AS11184EG-USEAST - EXPEDIA, INC—
0.1%
AS20001TWC-20001-PACWEST - Charter Communications Inc—
0.1%
AS20141QTS-SUW1-ATL1 - Quality Technology Services, LLC—
0.1%
AS17054Expedient—
0.1%
AS6315XMission, L.C.—
0.0%
AS26224INCOMM-NET0 - InComm—
0.0%
AS36149Hawaiian Telcom Services Company, Inc.—
0.0%
AS10406ASN-TEKTRONIX - Tektronix, Inc.—
0.0%

Among the networks we hold ipbot.dk routing data for (the ones looked up on this site), so this is a sample of the AS's customers, not all of them.

📡 Known CIDRs#

13 CIDRs

🧭 Nameservers in this AS#

17 hosts

📮 Mail Exchangers in this AS#

10 hosts
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