CF1761592817374-tsm20251027103946

WWW.ROBTEX.COM - 81.137.236.39

Search for IP or hostnames:

81.137.236.39 checked at 2025-10-27T19:20:17.371Z 66ms 12/12/12 100% R:9

PTRs and A-records

PTRAhost81-137-236-39.in-addr.btopenworld.com
A81.137.236.39
Aremote.quest-duthoit.co.uk
A81.137.236.39

RBLS
81.128.0.0/12

AS2856

shared on network route

host81-134-2-20.in-addr.btopenworld.com
host81-139-175-37.in-addr.btopenworld.com
host81-142-69-33.in-addr.btopenworld.com
dsl-static-81-140-68-222.in-addr.broadbandscope.com
host81-137-43-241.in-addr.btopenworld.com
cobbpr.dnsalias.com
host81-137-116-7.in-addr.btopenworld.com
cpqtest.excitech.co.uk
host81-131-89-3.range81-131.btcentralplus.com
dsl-multi-static-81-140-130-253.in-addr.broadbandscope.com
mail.sasnorth.co.uk
dsl-static-81-140-75-40.in-addr.broadbandscope.com
host81-134-14-178.in-addr.btopenworld.com
host81-143-243-155.in-addr.btopenworld.com
host81-138-212-16.in-addr.btopenworld.com
host81-138-100-115.in-addr.btopenworld.com
host81-133-202-85.in-addr.btopenworld.com
www.wiganathletictg.com
mail.smart-ideasltd.co.uk
host81-137-208-53.in-addr.btopenworld.com
host81-138-124-163.in-addr.btopenworld.com
dsl-sp-81-140-44-175.in-addr.broadbandscope.com
mail.ghsmith.com
host81-142-212-74.in-addr.btopenworld.com
host81-129-192-158.range81-129.btcentralplus.com
host81-136-240-148.in-addr.btopenworld.com
hosted.guru
mail2.sfh.org.uk
host81-138-124-11.in-addr.btopenworld.com
eheating02.electric-heatingcompany.com
host81-129-126-2.range81-129.btcentralplus.com
host81-129-43-77.range81-129.btcentralplus.com
naiyas.com
host81-129-114-221.range81-129.btcentralplus.com
dsl-sp-81-140-36-204.in-addr.broadbandscope.com
dsl-sp-81-140-25-160.in-addr.broadbandscope.com
host81-136-155-180.in-addr.btopenworld.com
host81-143-147-167.in-addr.btopenworld.com
host81-138-14-20.in-addr.btopenworld.com
host81-142-68-224.in-addr.btopenworld.com
host81-129-248-15.range81-129.btcentralplus.com
dsl-dp-81-140-124-25.in-addr.broadbandscope.com
securehealth-ppp.co.uk
henry.wtf
dsl-sp-81-140-2-51.in-addr.broadbandscope.com
chocbar.co.uk
host81-139-0-9.in-addr.btopenworld.com
host81-142-199-247.in-addr.btopenworld.com
mail.yellobox.co.uk
dsl-static-81-140-78-92.in-addr.broadbandscope.com
host81-143-173-238.in-addr.btopenworld.com
host81-129-232-120.range81-129.btcentralplus.com
host81-143-22-159.in-addr.btopenworld.com
host81-135-99-154.range81-135.btcentralplus.com
ts.whittakereng.com
generalsoftwares.com
host81-129-0-171.range81-129.btcentralplus.com
host81-133-141-41.in-addr.btopenworld.com
host81-136-177-42.in-addr.btopenworld.com
host81-129-117-41.range81-129.btcentralplus.com
host81-141-116-124.range81-141.btcentralplus.com
wyevalleypromotions.com
host81-130-137-240.in-addr.btopenworld.com
dsl-sp-81-140-22-78.in-addr.broadbandscope.com
host81-129-80-11.range81-129.btcentralplus.com
mail2.coloursonic.co.uk
host81-129-222-0.range81-129.btcentralplus.com
dsl-dp-81-140-116-111.in-addr.broadbandscope.com
keen2c.co.uk
dsl-sp-81-140-28-171.in-addr.broadbandscope.com
mail.curatlex.com
mg01.plmpartnership.com
mail.quarryfoldstudio.com
dsl-sp-81-140-39-37.in-addr.broadbandscope.com
host81-136-85-129.range81-136.btcentralplus.com
host81-132-128-88.range81-132.btcentralplus.com
host81-132-46-43.range81-132.btcentralplus.com
host81-136-151-140.in-addr.btopenworld.com
remote.dsegroup.co.uk
mail.rountreesolicitors.co.uk
dsl-dp-81-140-119-12.in-addr.broadbandscope.com
dsl-dp-81-140-116-67.in-addr.broadbandscope.com
host81-129-172-110.range81-129.btcentralplus.com
host81-138-93-89.in-addr.btopenworld.com
tjsne.com
dsl-sp-81-140-23-201.in-addr.broadbandscope.com
host81-141-247-116.range81-141.btcentralplus.com
host81-136-170-52.in-addr.btopenworld.com
host81-142-33-103.in-addr.btopenworld.com
host81-129-0-184.range81-129.btcentralplus.com
host81-136-154-51.in-addr.btopenworld.com
host81-138-124-9.in-addr.btopenworld.com
workagain.net
mailserver.helpboxuk.com
dsl-dp-81-140-96-26.in-addr.broadbandscope.com
gillcrestgroup.com
manet.simkin.co.uk
mail.deviantrealms.co.uk
host81-138-158-28.in-addr.btopenworld.com
priceengines.com

shared on AS number

host31-52-44-92.range31-52.btcentralplus.com
host109-155-30-2.range109-155.btcentralplus.com
portalcat2.bt.com
host109-156-18-5.range109-156.btcentralplus.com
host165-120-50-232.range165-120.btcentralplus.com
host86-150-33-25.range86-150.btcentralplus.com
host109-157-157-168.range109-157.btcentralplus.com
host86-153-128-2.range86-153.btcentralplus.com
support.nihe.gov.uk
host86-158-159-120.range86-158.btcentralplus.com
host81-133-0-207.in-addr.btopenworld.com
unitas.biznetservers.com
email.malverncollege.org.uk
host86-138-122-119.range86-138.btcentralplus.com
host81-137-89-63.in-addr.btopenworld.com
dsl-dp-81-140-118-36.in-addr.broadbandscope.com
office.nlggta.co.uk
host81-130-165-186.in-addr.btopenworld.com
host81-151-252-220.range81-151.btcentralplus.com
host86-142-112-229.range86-142.btcentralplus.com
snaps.duckdns.org
mail.c2kni.org.uk
host86-144-199-235.range86-144.btcentralplus.com
host31-54-222-43.range31-54.btcentralplus.com
host109-147-240-226.range109-147.btcentralplus.com
mailgate.countyleasing.co.uk
host86-176-91-182.range86-176.btcentralplus.com
host213-120-32-76.range213-120.btcentralplus.com
host109-153-180-236.range109-153.btcentralplus.com
mail1.micro-p.com
mail.ihwtech.co.uk
host109-151-227-127.range109-151.btcentralplus.com
webmail.rushmoorschool.co.uk
host86-152-187-200.range86-152.btcentralplus.com
host81-155-101-189.range81-155.btcentralplus.com
host86-140-152-5.range86-140.btcentralplus.com
host86-172-32-5.range86-172.btcentralplus.com
host109-145-165-125.range109-145.btcentralplus.com
limitededitionsolutions.net
host86-142-101-135.range86-142.btcentralplus.com
host86-138-116-141.range86-138.btcentralplus.com
dsl-sp-81-140-3-11.in-addr.broadbandscope.com
host86-167-233-204.range86-167.btcentralplus.com
host86-140-42-78.range86-140.btcentralplus.com
host86-131-251-236.range86-131.btcentralplus.com
host217-43-62-154.range217-43.btcentralplus.com
host31-54-28-232.range31-54.btcentralplus.com
dsl-sp-81-140-5-131.in-addr.broadbandscope.com
mailuk.mapleleaf.ca
mail.sisteris.com
host86-169-2-134.range86-169.btcentralplus.com
host86-145-13-146.range86-145.btcentralplus.com
host86-153-158-209.range86-153.btcentralplus.com
gkc.org.uk
host81-151-93-217.range81-151.btcentralplus.com
host86-160-0-247.range86-160.btcentralplus.com
host86-137-16-217.range86-137.btcentralplus.com
host81-131-72-73.range81-131.btcentralplus.com
host86-128-216-191.range86-128.btcentralplus.com
host81-159-191-16.range81-159.btcentralplus.com
host81-156-181-239.range81-156.btcentralplus.com
host86-137-101-159.range86-137.btcentralplus.com
docs.yourcoverinsurance.co.uk
mail.suparoofing.co.uk
host109-155-54-225.range109-155.btcentralplus.com
mail.cost-chambers.com
host81-142-91-173.in-addr.btopenworld.com
ms-cs.dynamic-dns.net
instalmate.com
host86-190-100-71.range86-190.btcentralplus.com
host81-152-84-90.range81-152.btcentralplus.com
host86-158-178-254.range86-158.btcentralplus.com
host81-155-19-80.range81-155.btcentralplus.com
host86-167-114-14.range86-167.btcentralplus.com
swiftpro.biz
host31-52-116-1.range31-52.btcentralplus.com
dsl-sp-81-140-2-19.in-addr.broadbandscope.com
host86-138-141-76.range86-138.btcentralplus.com
host81-150-195-106.in-addr.btopenworld.com
www.squarecomp.com
host81-130-66-13.range81-130.btcentralplus.com
host86-143-119-50.range86-143.btcentralplus.com
bilalsweb.com
host31-51-50-8.range31-51.btcentralplus.com
host86-134-74-61.range86-134.btcentralplus.com
host109-152-249-29.range109-152.btcentralplus.com
mail.co-ownershiphousing.org
host217-42-110-233.range217-42.btcentralplus.com
host81-158-40-249.range81-158.btcentralplus.com
host86-128-100-139.range86-128.btcentralplus.com
host217-44-30-98.range217-44.btcentralplus.com
host86-131-90-68.range86-131.btcentralplus.com
host217-42-129-11.range217-42.btcentralplus.com
host86-191-65-132.range86-191.btcentralplus.com
travens.net
host86-180-179-72.range86-180.btcentralplus.com
host86-133-176-147.range86-133.btcentralplus.com
host109-152-37-0.range109-152.btcentralplus.com
host86-185-211-23.range86-185.btcentralplus.com
host81-129-87-241.range81-129.btcentralplus.com

Newport, Wales, 🇬🇧 United Kingdom

🇬🇧 BT-UK-AS

81.137.236.39 Newport, Wales, 🇬🇧 United KingdomCourtesy of ipinfo.io

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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ARUssbn CF johedugfp 2025-10-27