Skip to content
thenetworkery

AS numbers

AS27281 Quantcast

AS27281 is operated by Quantcast and registered with ARIN (US) since 2007-11-27.

It announces 17 IPv4 and 11 IPv6 prefixes, 60% of them RPKI valid.

RIPE RIS sees 62 upstream and peer networks and 0 downstream networks next to it.

PeeringDB lists it as a Content network at 5 internet exchanges and 5 facilities. Its peering policy is selective.

NameQuantcast
Registry handleQUANTCAST
Registry (RIR)ARIN
CountryUnited States (US)
Delegated on2007-11-27
Network typeContent, Global
Peering policySelective
IRR as-setAS27281:AS-SET
Prefixes (IPv4 / IPv6)17 / 11
RPKI valid60% (17 / 28)
Upstreams and peers62
Downstream networks0
Websitequantcast.com

Routing health

  • AS27281 announces 17 IPv4 and 11 IPv6 prefixes.
  • 17 of 28 announced prefixes are RPKI valid.
  • 11 announced prefixes are not covered by a ROA of AS27281 (they may have none, or another network’s).
  • 62 upstreams and peers, 0 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 28

  • 91.228.72.0/24
  • 91.228.74.0/24
  • 103.229.8.0/24
  • 103.229.9.0/24
  • 103.229.10.0/24
  • 103.229.11.0/24
  • 192.184.67.0/24
  • 192.184.68.0/24
  • 192.184.69.0/24
  • 192.184.70.0/24
  • 192.184.71.0/24
  • 192.184.72.0/24
  • 192.184.73.0/24
  • 192.184.74.0/24
  • 192.184.75.0/24
  • 192.184.76.0/24
  • 192.184.77.0/24
  • 2620:116:800b::/48
  • 2620:116:800c::/48
  • 2620:116:800d::/48
  • 2620:116:801a::/48
  • 2620:116:801b::/48
  • 2620:116:801c::/48
  • 2620:116:801d::/48
  • 2620:116:801e::/48
  • 2620:116:808c::/48
  • 2620:116:8082::/48
  • 2620:116:8083::/48

Upstreams and peers 62

The networks RIPE RIS sees next to AS27281 in BGP paths, the most visible first.

Peering

Peering policy: Selective. Suggested max-prefix limits: 50 IPv4, 50 IPv6. PeeringDB record

Internet exchanges 5
ExchangePortsSpeedRoute server
DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN220GYes
Equinix Ashburn240GYes
Equinix San Jose220GYes
Equinix Singapore220GYes
SIX Seattle: MTU 15002200GYes
Facilities 5
FacilityCityCountry
Equinix DC1-DC15,DC21-DC22 - AshburnAshburnUS
Equinix FR5 - Frankfurt, KleyerStrasseFrankfurtDE
Equinix SE2/SE3 - SeattleSeattleUS
Equinix SG1 - SingaporeSingaporeSG
Equinix SV1/SV5/SV10 - Silicon Valley, San JoseSan JoseUS

More about AS27281

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 23:41 UTC. The country is where the AS number was registered, not necessarily where the network operates.