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Autonomous System

AS8916

Portfast Ltd

Announced IPs
6,656
CIDR prefixes
4
ASN
AS8916

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Content
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open
IRR record AS-PORTFAST

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
188.246.192.0/20 4.1K
16.8%
Portfast Ltd GB England Sheffield
213.5.88.0/21 2.0K
2.6%
Portfast Ltd GB
130.193.30.0/24 256
0.0%
Portfast Ltd GB
193.108.199.0/24 256
10.2%
Portfast Ltd GB

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS8916 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
130.193.30.0/24 9,917 2026-08-01 01:44:20
193.108.199.0/24 9,770 2026-08-01 01:44:47
188.246.192.0/20 9,761 2026-08-01 01:44:47
213.5.88.0/21 9,596 2026-08-01 01:44:50

Frequently Asked Questions

What is AS8916?

AS8916 is an Autonomous System Number assigned to Portfast Ltd. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS8916 announce?

AS8916 announces 6.7K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS8916?

AS8916 is operated by Portfast Ltd. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS8916 registered in?

AS8916 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-01 01:55:31 UTC
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