Built on PacketStar Networks AS249

UK IP Transit powered by AS249

Carrier-grade IP Transit across UK and European PoPs, delivered on a multi-homed Juniper backbone with direct peering at LINX, LONAP and NL-ix.

8+
UK & EU PoPs
Carrier-neutral facilities
3
Major IXs
LINX · LONAP · NL-ix
10G/100G/400G
Port capacity
Single or LAG
<5 ms
Target intra-UK latency
London metro paths
99.99%
Target availability
Carrier-grade design goal

Figures are network design targets on the PacketStar Networks AS249 backbone, not measured SLA values. Specific commercial SLAs are issued per service.

AS249
LINX · LONAP · NL-ix
NTT · GTT · Sparkle · Arelion · RETN
10G · 100G · 400G-capable
AS249 overview

A real network, operated end-to-end on AS249

TransitCore is the customer-facing IP Transit brand of PacketStar Networks Limited, a UK-registered RIPE NCC member operating Autonomous System 249. AS249 is multi-homed to five Tier-1 upstreams and peers directly with major UK eyeball and global content networks.

The backbone runs on Juniper PTX10001-36MR carrier-grade routers, deployed across PoPs in London, Manchester, Amsterdam and Frankfurt. Customers get IPv4 and native IPv6, full or partial BGP tables, BGP communities for traffic engineering, and IRR-based prefix filtering on every session.

Read the full AS249 profile

The network

UK and European points of presence

AS249 backbone — at a glance

AS249 Core Network
Juniper PTX10001-36MR · Multi-homed · IPv4 + native IPv6
Transit Upstreams
NTT (2914) · GTT (3257) · Sparkle (6762) · Arelion (1299) · RETN (9002)
Direct Peers
Virgin Media · BT · TalkTalk Business · EIRCOM · Cloudflare · Zayo
IX Presence
LINX London · LONAP London · NL-ix Amsterdam
PoP Locations
London Telehouse Campus & Equinix LD8 · Slough LD5/LD7 · Manchester MA4 · Amsterdam AM2 & Iron Mountain · Frankfurt FR13/FR2
Route Filtering
IRR-based prefix filtering · BGP communities · Full or partial tables
Contact
noc@packetstar.com · +44 (0)2038336611

Four UK and European PoPs anchored on Juniper PTX10001-36MR routing, each connected back to the AS249 backbone over diverse paths.

  • London — Telehouse Campus & Equinix LD8
  • Slough — Equinix LD5 & LD7
  • Manchester — Equinix MA4
  • Amsterdam — Equinix AM2 & Iron Mountain AMS1
  • Frankfurt — Equinix FR13 & FR2
Peering & transit

Diverse upstreams, direct peers and IXP presence

Transit upstreams

NTT · GTT · Sparkle · Arelion · RETN

Direct peers

Virgin Media · BT · TalkTalk Business · EIRCOM · Cloudflare · Zayo

Internet exchanges

LINX London · LONAP London · NL-ix Amsterdam

Why TransitCore

Carrier-grade engineering, without legacy overhead

AS249 operated network

Operated end-to-end by PacketStar Networks Limited on AS249 — a real RIPE NCC member network, not a reseller.

Juniper PTX10001-36MR backbone

Carrier-grade routing on modern Juniper PTX10001-36MR silicon at every PoP.

Diverse upstream connectivity

Multi-homed to NTT, GTT, Sparkle, Arelion and RETN for genuine BGP path diversity.

IRR-based route filtering

Customer prefix filtering generated from IRR route and route6 objects against agreed AS-SETs.

Frequently asked questions

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