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Autonomous System

AS4780 · Digital United Inc.

Overview

AS4780 is announced on the Internet: RIPE RIS route collectors currently see 1,553 IPv4 prefixes and 13 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 1,707,776 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 23 upstream neighbours (transit providers or peers) and 60 downstream neighbours (customers or networks it carries). Its most visible upstreams are RETN Limited (AS9002), PCCW Global (HK) Ltd. (AS3491), and TATA COMMUNICATIONS (AMERICA) INC (AS6453). AS4780 was assigned by APNIC, and its registration country is Taiwan.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 16, 2026 at 8:58 PM UTC. This page is refreshed at most every 12 hours.

Go further

Trace a route to this networkOpen in the BGP viewerWHOIS of 59.104.0.1

The trace goes to 59.104.0.1, the first address of 59.104.0.0/15. An address picked inside a prefix may not answer (nothing listens there, or the network filters probes): the trace then shows the path up to the last network that replies.

Announced prefixes

IPv4 prefixes (1,553 prefixes)

PrefixAddresses
42.0.64.0/1816,384
49.213.170.0/24256
49.213.175.0/24256
49.213.187.0/24256
49.213.226.0/24256
59.104.0.0/15131,072
59.104.0.0/1665,536
59.104.0.0/1732,768
59.104.0.0/1816,384
59.104.0.0/198,192
59.104.32.0/198,192
59.104.64.0/1816,384
59.104.64.0/198,192
59.104.96.0/198,192
59.104.128.0/1732,768
59.104.128.0/1816,384
59.104.128.0/198,192
59.104.160.0/198,192
59.104.192.0/1816,384
59.104.192.0/198,192
59.104.224.0/198,192
59.105.0.0/1665,536
59.105.0.0/1732,768
59.105.0.0/1816,384
59.105.0.0/198,192
59.105.6.0/24256
59.105.32.0/198,192
59.105.64.0/1816,384
59.105.64.0/198,192
59.105.96.0/198,192
59.105.128.0/1732,768
59.105.128.0/1816,384
59.105.128.0/198,192
59.105.131.0/24256
59.105.160.0/198,192
59.105.192.0/1816,384
59.105.192.0/198,192
59.105.224.0/198,192
61.56.200.0/24256
61.56.226.0/24256
61.56.227.0/24256
61.56.229.0/24256
61.56.231.0/24256
61.56.232.0/24256
61.56.234.0/24256
61.56.235.0/24256
61.56.236.0/24256
61.56.238.0/24256
61.56.239.0/24256
61.56.243.0/24256
61.56.245.0/24256
61.56.249.0/24256
61.57.208.0/204,096
61.58.16.0/204,096
61.58.48.0/204,096
61.58.156.0/24256
61.58.157.0/24256
61.59.0.0/1665,536
61.59.0.0/1732,768
61.59.0.0/1816,384
61.59.0.0/198,192
61.59.6.0/24256
61.59.12.0/24256
61.59.32.0/198,192
61.59.36.0/24256
61.59.37.0/24256
61.59.64.0/1816,384
61.59.64.0/198,192
61.59.81.0/24256
61.59.96.0/198,192
61.59.97.0/24256
61.59.101.0/24256
61.59.104.0/24256
61.59.126.0/24256
61.59.128.0/1732,768
61.59.128.0/1816,384
61.59.128.0/198,192
61.59.160.0/198,192
61.59.192.0/1816,384
61.59.192.0/198,192
61.59.224.0/198,192
61.66.8.0/24256
61.66.9.0/24256
61.66.11.0/24256
61.66.12.0/24256
61.66.15.0/24256
61.66.20.0/24256
61.66.21.0/24256
61.66.22.0/24256
61.66.23.0/24256
61.66.24.0/24256
61.66.26.0/24256
61.66.33.0/24256
61.66.34.0/24256
61.66.38.0/24256
61.66.52.0/24256
61.66.53.0/24256
61.66.54.0/24256
61.66.55.0/24256
61.66.56.0/24256

Showing the first 100 of 1,553, in address order. Complete list on RIPEstat

IPv6 prefixes (13 prefixes)

Prefix
2001:cd8::/32
2001:cd8:103::/48
2001:cd8:910::/44
2001:cd8:921::/48
2001:cd8:922::/48
2001:cd8:4780::/48
2001:cd8:e000::/48
2001:cd8:e001::/48
2001:cd8:e002::/48
2001:cd8:e003::/48
2001:cd8:e00c::/48
2001:4580::/26
2001:45b1::/36

Neighbours

Upstreams (transit or peers) (23)

ASNetworkVisibility
AS9002RETN Limited14,075
AS3491PCCW Global (HK) Ltd.7,330
AS6453TATA COMMUNICATIONS (AMERICA) INC7,141
AS2914NTT America, Inc.6,736
AS6939Hurricane Electric LLC1,877
AS9505Taiwan Internet Gateway400
AS2497Internet Initiative Japan Inc.157
AS9304HGC Global Communications Limited147
AS4635Hong Kong Internet Exchange--Route Server 1125
AS8220COLT Technology Services Group Limited96
AS4657StarHub Ltd80
AS58453China Mobile International Limited51
AS8359MTS PJSC50
AS8966EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC31
AS4134No.31,Jin-rong Street8
AS3462Data Communication Business Group6
AS983Akari Networks LLC5
AS7481Data Communication Business Group4
AS39120Convergenze S.p.A.2
AS9924Taiwan Fixed Network, Telco and Network Service Provider.1
AS17709Asia Pacific Telecom1
AS18041Taiwan Digital Streaming Co.1
AS41095-1

Downstreams (customers) (60)

ASNetworkVisibility
AS17709Asia Pacific Telecom10,183
AS9919New Century InfoComm Tech Co., Ltd.2,799
AS9674Far EastTone Telecommunication Co., Ltd.1,987
AS181854F, No.114, Sec.1, Chung-Shiao W. Road943
AS131143Chinatrust Commercial Bank771
AS18049Taiwan Infrastructure Network Technologie756
AS9922New Kaohsiung Broadband LTD.640
AS56179Symphox Information Co., LTd.581
AS9918TAI FU INTERNATIONAL NETWORK CO., LTD.569
AS131273CORE WINNER CO.,LIMITED564
AS131626-542
AS133747-532
AS131634-512
AS131602-509
AS7533Savecom International Inc.507
AS131681-487
AS18419-484
AS24429Taobao - Zhejiang Taobao Network Co.,Ltd450
AS131677-414
AS131636-413
AS131586-408
AS9671-401
AS14789Cloudflare, Inc.400
AS131588-400
AS63897-386
AS38851-384
AS18422Industrial Technology Research Institute376
AS7535-374
AS17420-359
AS54994Meteverse Limited.342

The 30 most visible of 60.

3 more neighbours appear on both sides of this network depending on the path, so they are counted in neither list.

Visibility is RIPEstat's count of how often the route collectors observed the link. It compares neighbours with each other; it is not a traffic volume.

How to read this page

An Autonomous System (AS) is a network run under one routing policy: an internet provider, a cloud, a content network, a university. Each one has a number, its ASN, assigned by a regional registry (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC), and uses BGP, the protocol networks use to tell each other where addresses are, to announce the blocks of addresses it delivers to.

A prefix such as 203.0.113.0/24 is a block of addresses: the number after the slash says how many bits are fixed, so a /24 holds 256 IPv4 addresses and a /16 holds 65,536. Networks often announce a large block and smaller pieces of it at the same time, which is why the address total counts each address once.

Neighbours come from the paths themselves. A network that appears just before this one in a path, on the collector's side, is an upstream: a transit provider or a peer. One that appears just after it is a downstream, usually a customer. Peering at an internet exchange also shows up as an upstream, so the upstream list is not a list of paid transit.

The data comes from RIPEstat, run by the RIPE NCC, which gathers the routing tables of hundreds of networks through its RIS route collectors. This page reads it when it is visited and keeps it for 12 hours at most; the BGP viewer reads it live.

Frequently asked questions

How do I find the ASN of an IP address?
Type the address in the BGP viewer: it shows the prefix that covers it, the AS that originates that prefix and the paths seen towards it. A traceroute also names the network of each hop, so you can see every AS a connection crosses.
Why does one company have several ASNs?
Large operators split their network by region, by activity or by history: a cloud may use one number for its backbone and another for a region, and every acquisition brings its own numbers. Each number has its own page, with its own prefixes and neighbours.
Why do prefix counts differ from one site to another?
Each source sees the routing table from different collectors, at a different time, and counts differently: some include prefixes withdrawn in recent weeks, some merge a block and its pieces. This page counts the prefixes RIPE RIS collectors see originated by the network at the end of the latest two-week window, and counts each IPv4 address once.
Is this the list of IP ranges of a cloud provider?
It is what its networks announce, which is what the Internet routes to them. Many providers also publish an official list of ranges per service and region; that list is the reference for firewall rules, because a range can be announced before it is used, or announced by another of their AS numbers.