AS2856

British Telecommunications Limited

Operator type
Home ISP
ASN domain
bt.net
Exported data ranges
475,575
IPv4 addresses
13,859,328
Country codes
8

Address coverage

IPv432-bit address space
IPv4 address coverage
13,859,328
IPv4 data ranges
143,095 30.09%
IPv6128-bit address space
IPv6 address coverage
Exact addresses10,775,034,937,643,228,371,238,676,070,400Address space in the data. Not a count of active devices.
IPv6 data ranges
332,480 69.91%

Range shares use all 475,575 records in this ASN, not address space.

United Kingdom accounts for >99.99% of this ASN’s exported data ranges.

Public ASN reference

IPtoASN associates 428 address intervals with AS2856 in the snapshot collected .

AS2856 IPtoASN interval assignments
First addressLast addressFamily
5.35.192.05.35.199.255IPv4
5.80.0.05.81.255.255IPv4
5.181.136.05.181.136.255IPv4
9.151.0.09.151.31.255IPv4
9.151.208.09.151.223.255IPv4
9.151.248.09.151.255.255IPv4
9.232.192.09.232.255.255IPv4
9.233.48.09.233.63.255IPv4
9.237.96.09.237.223.255IPv4
15.145.20.015.145.23.255IPv4
Showing 10 of 428 recordsFor full-list access, email contact@ipquery.io.

These intervals group address-to-ASN assignments. They are not announced BGP prefix counts, registered allocations or geolocation measurements. The reference is independent of the Enterprise directory above.

Selected IP ranges

Range directory
AS2856 selected IP range associations
NetworkAssociated data ranges
217.0.0.0/849,717
81.0.0.0/840,939
194.0.0.0/818,048
195.0.0.0/87,239
31.0.0.0/86,236
217.45.0.0/164,577
195.171.0.0/164,441
194.74.0.0/164,390
194.75.0.0/163,989
217.46.0.0/163,522
Showing 10 of 76 recordsFor full-list access, email contact@ipquery.io.

These are indexed aggregate profiles where this ASN appears in the leading breakdown. They can overlap and are not a complete list of BGP announcements or owned allocations.

Geographic distribution

8 country codes

The breakdown includes every supplied country assignment. Shares use all 475,575 data ranges.

Country assignments in AS2856Supplied positive counts cover 8 country codes. Leading assignments: United Kingdom: 475,535 data ranges; United States: 13 data ranges; Germany: 12 data ranges. Shading uses logarithmic record-count intervals. A country-table preview follows the map.Fiji: No country-assigned records in this resultUnited Republic of Tanzania: No country-assigned records in this resultWestern Sahara: No country-assigned records in this resultCanada: 1 data rangesUnited States: 13 data rangesKazakhstan: No country-assigned records in this resultUzbekistan: No country-assigned records in this resultPapua New Guinea: No country-assigned records in this resultIndonesia: No country-assigned records in this resultArgentina: No country-assigned records in this resultChile: No country-assigned records in this resultDemocratic Republic of the Congo: No country-assigned records in this resultSomalia: No country-assigned records in this resultKenya: No country-assigned records in this resultSudan: No country-assigned records in this resultChad: No country-assigned records in this resultHaiti: No country-assigned records in this resultDominican Republic: No country-assigned records in this resultRussia: No country-assigned records in this resultThe Bahamas: No country-assigned records in this resultFalkland Islands: No country-assigned records in this resultNorway: No country-assigned records in this resultGreenland: No country-assigned records in this resultFrench Southern and Antarctic Lands: No country-assigned records in this resultEast Timor: No country-assigned records in this resultSouth Africa: No country-assigned records in this resultLesotho: No country-assigned records in this resultMexico: No country-assigned records in this resultUruguay: No country-assigned records in this resultBrazil: No country-assigned records in this resultBolivia: No country-assigned records in this resultPeru: No country-assigned records in this resultColombia: No country-assigned records in this resultPanama: No country-assigned records in this resultCosta Rica: No country-assigned records in this resultNicaragua: No country-assigned records in this resultHonduras: No country-assigned records in this resultEl Salvador: No country-assigned records in this resultGuatemala: No country-assigned records in this resultBelize: No country-assigned records in this resultVenezuela: No country-assigned records in this resultGuyana: No country-assigned records in this resultSuriname: No country-assigned records in this resultFrance: 1 data rangesEcuador: No country-assigned records in this resultPuerto Rico: No country-assigned records in this resultJamaica: No country-assigned records in this resultCuba: No country-assigned records in this resultZimbabwe: No country-assigned records in this resultBotswana: No country-assigned records in this resultNamibia: No country-assigned records in this resultSenegal: No country-assigned records in this resultMali: No country-assigned records in this resultMauritania: No country-assigned records in this resultBenin: No country-assigned records in this resultNiger: No country-assigned records in this resultNigeria: No country-assigned records in this resultCameroon: No country-assigned records in this resultTogo: No country-assigned records in this resultGhana: No country-assigned records in this resultIvory Coast: No country-assigned records in this resultGuinea: No country-assigned records in this resultGuinea-Bissau: No country-assigned records in this resultLiberia: No country-assigned records in this resultSierra Leone: No country-assigned records in this resultBurkina Faso: No country-assigned records in this resultCentral African Republic: No country-assigned records in this resultRepublic of the Congo: No country-assigned records in this resultGabon: No country-assigned records in this resultEquatorial Guinea: No country-assigned records in this resultZambia: No country-assigned records in this resultMalawi: No country-assigned records in this resultMozambique: No country-assigned records in this resulteSwatini: No country-assigned records in this resultAngola: No country-assigned records in this resultBurundi: No country-assigned records in this resultIsrael: No country-assigned records in this resultLebanon: No country-assigned records in this resultMadagascar: No country-assigned records in this resultPalestine: No country-assigned records in this resultGambia: No country-assigned records in this resultTunisia: No country-assigned records in this resultAlgeria: No country-assigned records in this resultJordan: No country-assigned records in this resultUnited Arab Emirates: No country-assigned records in this resultQatar: No country-assigned records in this resultKuwait: No country-assigned records in this resultIraq: No country-assigned records in this resultOman: No country-assigned records in this resultVanuatu: No country-assigned records in this resultCambodia: No country-assigned records in this resultThailand: No country-assigned records in this resultLaos: No country-assigned records in this resultMyanmar: No country-assigned records in this resultVietnam: No country-assigned records in this resultNorth Korea: No country-assigned records in this resultSouth Korea: No country-assigned records in this resultMongolia: No country-assigned records in this resultIndia: No country-assigned records in this resultBangladesh: No country-assigned records in this resultBhutan: No country-assigned records in this resultNepal: No country-assigned records in this resultPakistan: No country-assigned records in this resultAfghanistan: No country-assigned records in this resultTajikistan: No country-assigned records in this resultKyrgyzstan: No country-assigned records in this resultTurkmenistan: No country-assigned records in this resultIran: No country-assigned records in this resultSyria: No country-assigned records in this resultArmenia: No country-assigned records in this resultSweden: No country-assigned records in this resultBelarus: No country-assigned records in this resultUkraine: No country-assigned records in this resultPoland: No country-assigned records in this resultAustria: No country-assigned records in this resultHungary: No country-assigned records in this resultMoldova: No country-assigned records in this resultRomania: 2 data rangesLithuania: 2 data rangesLatvia: No country-assigned records in this resultEstonia: No country-assigned records in this resultGermany: 12 data rangesBulgaria: No country-assigned records in this resultGreece: No country-assigned records in this resultTurkey: No country-assigned records in this resultAlbania: No country-assigned records in this resultCroatia: No country-assigned records in this resultSwitzerland: No country-assigned records in this resultLuxembourg: No country-assigned records in this resultBelgium: No country-assigned records in this resultNetherlands: No country-assigned records in this resultPortugal: No country-assigned records in this resultSpain: No country-assigned records in this resultIreland: No country-assigned records in this resultNew Caledonia: No country-assigned records in this resultSolomon Islands: No country-assigned records in this resultNew Zealand: No country-assigned records in this resultAustralia: 9 data rangesSri Lanka: No country-assigned records in this resultChina: No country-assigned records in this resultItaly: No country-assigned records in this resultDenmark: No country-assigned records in this resultUnited Kingdom: 475,535 data rangesIceland: No country-assigned records in this resultAzerbaijan: No country-assigned records in this resultGeorgia: No country-assigned records in this resultPhilippines: No country-assigned records in this resultMalaysia: No country-assigned records in this resultBrunei: No country-assigned records in this resultSlovenia: No country-assigned records in this resultFinland: No country-assigned records in this resultSlovakia: No country-assigned records in this resultCzechia: No country-assigned records in this resultEritrea: No country-assigned records in this resultJapan: No country-assigned records in this resultParaguay: No country-assigned records in this resultYemen: No country-assigned records in this resultSaudi Arabia: No country-assigned records in this resultAntarctica: No country-assigned records in this resultCyprus: No country-assigned records in this resultMorocco: No country-assigned records in this resultEgypt: No country-assigned records in this resultLibya: No country-assigned records in this resultEthiopia: No country-assigned records in this resultDjibouti: No country-assigned records in this resultUganda: No country-assigned records in this resultRwanda: No country-assigned records in this resultBosnia and Herzegovina: No country-assigned records in this resultNorth Macedonia: No country-assigned records in this resultRepublic of Serbia: No country-assigned records in this resultMontenegro: No country-assigned records in this resultKosovo: No country-assigned records in this resultTrinidad and Tobago: No country-assigned records in this resultSouth Sudan: No country-assigned records in this result
Exported records · log scale
Less
  • 1–12
  • 13–185
  • 186–2,547
  • 2,548–34,812
  • 34,813–475,535
More
Darker countries have more exported records. Unshaded countries have no country-assigned records in this result. Country counts are previewed below.

Countries by record share

Share of all records
Other country assignments
4<0.01%
No country assignment
00.00%

Shares are rounded; counts are exact.

AS2856 country assignments
CountryData rangesRecord share
United KingdomGB475,535>99.99%
United StatesUS13<0.01%
GermanyDE12<0.01%
AustraliaAU9<0.01%
LithuaniaLT2<0.01%
RomaniaRO2<0.01%
CanadaCA1<0.01%
FranceFR1<0.01%

Network classifications

These tags occur in parts of this ASN. They do not classify every address in the network.

AS2856 classification entries
TagMatching entries
Home ISP475,571data ranges
Mobile184data ranges
Hosting22data ranges

Open a tag for its matching rule and count definition.

Abuse contacts

Contacts associated with source records in AS2856, grouped by contact. Each entry includes an example IP where it appears.

AS2856 network-scoped abuse contact entries
Abuse contactExample IP / networkContact countryData ranges
protect@bt.comBT Corporate Registry · +44 33166627292a00:2381::2a00:2381::/48United Kingdom217,648
abuse@bt.comAbuse-C Role · +44 1847 89585781.131.70.081.131.70.0/29United Kingdom66,996
protect@bt.comBT Corporate Registry · +44 1908 609 27162.239.0.062.239.0.0/16United Kingdom55,183
protect@bt.comBT Corporate Registry · +4480008502232a00:2380:300e:3000::2a00:2380:300e:3000::/56United Kingdom51,673
abuse@bt.comAbuse-C Role · +44800085022331.55.64.6431.55.64.64/29United Kingdom49,164
abuse@bt.comAbuse-C Role · +44 800 0858963 531.55.64.031.55.64.0/18United Kingdom7,609
abuse@ee.co.ukEE ABUSE · +44800085022331.121.0.031.121.0.0/29Estonia5,002
abuse@bt.comAbuse-C Role5.80.0.05.80.0.0/17United Kingdom930
abuse@kcom.comKINGSTON ROLE · +44 800 138 485894.72.248.094.72.248.0/28United Kingdom495
abuse@ee.co.ukEE ABUSE · +44 800 0858963 531.119.0.031.119.0.0/16Estonia456
Showing 10 of 14,090 recordsFor full-list access, email contact@ipquery.io.

Open an example IP to inspect its contact scope. Contacts do not automatically apply to every address in this ASN. Counts describe associated data ranges, not abuse reports.

Full-list access.

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Selected list
Selected records
Records in this list