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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 AS53999 at robtex .
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Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more. Traceroute →
$ traceroute -a -n -q1 173.237.212.225
traceroute to 173.237.212.225 (173.237.212.225 ): 64 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Toronto, CA
On November 6, 2026
There are 5 peers for this ASN.
ASN Name Rank AS6461 Zayo Bandwidth #47 AS16686 easyDNS Technologies, Inc. #61,098 AS30176 Priority Colo Inc #10,095 AS32517 Dot Internet Solutions Inc. #66,311 AS395768 iTeraTEL Communications Inc. #29,079
There are 2 upstreams for this ASN.
ASN Name Rank AS6461 Zayo Bandwidth #47 AS30176 Priority Colo Inc #10,095
There are 3 downstreams for this ASN.
ASN Name Rank AS16686 easyDNS Technologies, Inc. #61,098 AS32517 Dot Internet Solutions Inc. #66,311 AS395768 iTeraTEL Communications Inc. #29,079
Important routers in AS53999 Share of IPv4 footprint per hexagon Less More
Held location over 90 days 98%
Held location over 1 year 99%
Median days between moves 63 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 86 domain names hosted across 13 IP addresses on this ASN.
14 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more
IP Address ASN Details 2607:f699:3000::11:2 Ping AS53999 Priority Colo Inc #9,157 1.12ms from Toronto, CA 2607:f699:10::4:2 Ping AS53999 Priority Colo Inc #9,157 0.71ms from Toronto, CA 2607:f699:1009::1 Ping AS53999 Priority Colo Inc #9,157 1.33ms from Toronto, CA 173.237.220.129 Ping AS53999 Priority Colo Inc #9,157 0.56ms from Toronto, CA 173.237.217.152 Ping AS53999 Priority Colo Inc #9,157 0.66ms from Toronto, CA 2607:f699::4 Ping AS53999 Priority Colo Inc #9,157 0.73ms from Toronto, CA 173.237.216.130 Ping AS53999 Priority Colo Inc #9,157 0.63ms from Toronto, CA 2607:f699:1003:1001::150 Ping AS53999 Priority Colo Inc #9,157 0.62ms from Toronto, CA 173.237.212.252 Ping AS53999 Priority Colo Inc #9,157 0.62ms from Toronto, CA 173.237.209.134 Ping AS53999 Priority Colo Inc #9,157 0.56ms from Toronto, CA
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Too few observations to describe this network's daily rhythm with confidence.
Neighbours by global rank Log scale. The dashed line marks this network.
Times shown in Canada local time (UTC-5). Less More
Based on limited observations — empty cells may be hours we didn't observe rather than quiet ones.
Peak hour 10:00–11:00
Active hours 13 hrs
Weekend vs weekday weekdays heavier
Busiest day Wed
Network type Hosting / Cloud
Geography Canada 
