Skip to main content
Access unlimited lookups, API and downloads, data enrichment, and Probenet Live.
Get started for free
Summary IP address summary information Name
MAINFRAME & CYBERNETIC SYSTEMS LIMITED Country
Website
Hosted domains
23,794 IPv4 addresses
50,432 IPv6 addresses
7.92 × 1028 ASN type
Hosting Registry
RIPE Allocated
23 years ago on Jan 15, 2003 Updated
6 months ago on Mar 3, 2026
WHOIS
ASHandle: █████
OrgID: █████
ASName: ██████
ASNumber: AS█████
RegDate: ████-██-██
Updated: ████-██-██
TechHandle: ████-████
Source: ████
Powered by ASN to WHOIS data Important routers in AS25577
What is an ASN? Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS25577 at robtex .
Products Products
Data Data
Why IPinfo? Why IPinfo?
Resources Resources
Traceroute Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more. Traceroute →
$ traceroute -a -n -q1 -f4 84.45.52.113
traceroute to 84.45.52.113 (84.45.52.113 ): 64 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in London, GB
On September 17, 2026
There are 4 upstreams for this ASN.
ASN Name Rank AS174 Cogent Communications, LLC #6 AS3223 Voxility LLP #372 AS3257 GTT Communications Inc. #25 AS6939 Hurricane Electric LLC #18
Important routers in AS25577 Share of IPv4 footprint per hexagon Less More
Held location over 90 days 99%
Held location over 1 year 99%
Median days between moves 800 days
Geolocation scope City How consistently this network's IPs hold their geolocation. Read relative to the network type, not as a quality score.
There are 23,794 domain names hosted across 553 IP addresses on this ASN.
Pingable IPs 143 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more
IP Address ASN Details 85.159.91.3 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.99ms from Erith, GB 5.133.184.41 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.67ms from London, GB 84.45.20.1 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.59ms from London, GB 2001:9d8:7:3::5 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 16.98ms from London, GB 5.133.191.129 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 1.64ms from London, GB 81.27.66.89 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.57ms from London, GB 81.27.75.17 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.62ms from London, GB 81.27.92.65 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.62ms from London, GB 81.27.67.177 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.87ms from London, GB 185.5.88.128 Ping AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED #2,282 0.69ms from London, GB
Show more
Activity A pronounced day/night rhythm — the signature of a consumer/eyeball network whose users sleep at night.
Netblock Company Num of IPs MAINFRAME & CYBERNETIC SYSTEMS LIMITED
16,384 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
8,192 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
4,096 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
2,048 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
2,048 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
2,048 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
1,024 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
1,024 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
1,024 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
1,024
Show more IP Ranges
There are 50 peers for this ASN.
There are 9 downstreams for this ASN.
Times shown in United Kingdom local time (UTC). Less More
Peak hour 09:00–10:00
Active hours 10 hrs (business hours)
Weekend vs weekday weekdays heavier
Busiest day Tue
Network type Hosting / Cloud
Geography United Kingdom New IPinfo Places identifies hotels, airports, stadiums, and more with building-level precision.
Explore Places AS174 Cogent Communications, LLC #6
AS286 GTT Communications Inc.
AS917 Misaka Network, Inc. #1,414
AS999 CORIX NETWORKS #5,387
AS1239 Cogent Communications, LLC
AS2856 British Telecommunications Limited #26
AS3170 VeloxServ Communications Ltd #1,229
University
Sports Center
Community Center