ResearchRouting table, RPKI, IRR & looking glass

AS3741 Dimension Data

AS3741 is registered to Dimension Data in ZA. It originates 492 prefixes in the global routing table.

489
IPv4 prefixes
3
IPv6 prefixes
2,942,208
IPv4 addresses
67%
RPKI valid
Registration

Who holds AS3741

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS3741
Handle
Dimension Data
Organization
Dimension Data
Country
ZA
ASPA
None published
Routing

What AS3741 announces

Prefixes originated by AS3741 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
489
IPv6 prefixes
3
IPv4 addresses
2,942,208 (11,493 /24s)
RPKI valid
330 67%
RPKI invalid
0
RPKI not found
162
ROAs naming AS3741
96
With an IRR route object
220 44%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (489)
41.77.104.0/2141.77.111.0/2441.86.110.0/2441.86.111.0/2441.86.116.0/2245.149.227.0/2485.118.154.0/24102.65.32.0/24102.65.33.0/24102.65.34.0/24102.65.35.0/24139.53.0.0/16152.111.1.0/24152.111.2.0/24152.111.3.0/24152.111.4.0/24152.111.5.0/24152.111.6.0/24152.111.8.0/24152.111.9.0/24152.111.10.0/24152.111.11.0/24152.111.12.0/24152.111.14.0/24152.111.15.0/24152.111.16.0/24152.111.17.0/24152.111.18.0/24152.111.19.0/24152.111.20.0/24152.111.21.0/24152.111.22.0/24152.111.23.0/24152.111.24.0/24152.111.25.0/24152.111.26.0/24152.111.27.0/24152.111.28.0/24152.111.29.0/24152.111.30.0/24152.111.31.0/24152.111.32.0/24152.111.33.0/24152.111.34.0/24152.111.35.0/24152.111.36.0/24152.111.37.0/24152.111.41.0/24152.111.43.0/24152.111.44.0/23152.111.44.0/24152.111.45.0/24152.111.46.0/24152.111.47.0/24152.111.51.0/24152.111.53.0/24152.111.54.0/24152.111.55.0/24152.111.56.0/24152.111.59.0/24152.111.67.0/24152.111.68.0/24152.111.69.0/24152.111.73.0/24152.111.77.0/24152.111.78.0/24152.111.79.0/24152.111.85.0/24152.111.94.0/24152.111.95.0/24152.111.99.0/24152.111.100.0/23152.111.101.0/24152.111.103.0/24152.111.104.0/24152.111.105.0/24152.111.108.0/24152.111.109.0/24152.111.130.0/24152.111.131.0/24152.111.132.0/24152.111.133.0/24152.111.134.0/24152.111.135.0/24152.111.136.0/24152.111.137.0/24152.111.143.0/24152.111.144.0/24152.111.145.0/24152.111.146.0/24152.111.148.0/23152.111.151.0/24152.111.154.0/23152.111.159.0/24152.111.162.0/24152.111.163.0/24152.111.165.0/24152.111.166.0/24152.111.167.0/24152.111.168.0/24152.111.172.0/23152.111.174.0/23152.111.177.0/24152.111.180.0/24152.111.182.0/24152.111.183.0/24152.111.185.0/24152.111.186.0/24152.111.187.0/24152.111.188.0/24152.111.190.0/24152.111.191.0/24152.111.192.0/24152.111.193.0/24152.111.194.0/24152.111.195.0/24152.111.196.0/24152.111.197.0/24152.111.198.0/24152.111.200.0/24
Show 369 more
152.111.204.0/24152.111.206.0/24152.111.207.0/24152.111.210.0/24152.111.211.0/24152.111.212.0/24152.111.215.0/24152.111.216.0/24152.111.219.0/24152.111.221.0/24152.111.223.0/24152.111.224.0/24152.111.225.0/24152.111.230.0/24152.111.232.0/22152.111.232.0/24152.111.233.0/24152.111.234.0/24152.111.235.0/24152.111.239.0/24152.111.240.0/24152.111.241.0/24152.111.242.0/24152.111.244.0/24152.111.245.0/24152.111.246.0/24152.111.247.0/24152.111.248.0/24152.111.250.0/24152.111.251.0/24152.111.252.0/24152.111.254.0/24155.234.0.0/16155.237.0.0/16155.240.0.0/16155.240.0.0/17155.240.152.0/23156.8.0.0/16156.8.251.0/24156.8.252.0/24156.8.254.0/24160.48.233.0/24160.48.234.0/24160.123.0.0/16163.199.96.0/23163.199.98.0/24163.199.99.0/24163.199.101.0/24163.199.104.0/22163.199.108.0/22163.199.136.0/24163.203.0.0/16163.203.0.0/18163.203.64.0/18163.203.160.0/19163.203.192.0/19163.203.224.0/24164.148.0.0/14165.4.0.0/16168.89.0.0/16168.142.0.0/16168.142.55.0/24168.142.72.0/23168.142.116.0/22168.142.120.0/22168.142.128.0/24168.142.131.0/24168.142.132.0/22168.142.192.0/22168.142.194.0/24168.142.196.0/24168.142.204.0/22168.142.216.0/24168.142.220.0/23168.142.240.0/23168.209.0.0/16168.209.97.0/24168.209.98.0/24168.209.106.0/24168.210.0.0/16168.210.41.0/24168.210.128.0/17169.202.201.0/24169.202.202.0/24192.94.242.0/24192.96.1.0/24192.96.22.0/24192.96.38.0/24192.96.46.0/24192.96.57.0/24192.96.89.0/24192.96.90.0/23192.96.92.0/24192.96.120.0/21192.96.128.0/22192.96.132.0/24192.96.133.0/24192.96.134.0/24192.96.251.0/24192.109.144.0/24196.1.8.0/22196.1.16.0/21196.1.32.0/20196.1.32.0/24196.1.74.0/24196.1.75.0/24196.1.76.0/22196.1.80.0/24196.1.81.0/24196.1.103.0/24196.1.115.0/24196.2.42.0/24196.2.46.0/24196.2.48.0/24196.2.49.0/24196.2.53.0/24196.2.55.0/24196.2.57.0/24196.2.61.0/24196.2.62.0/24196.2.63.0/24196.2.129.0/24196.2.132.0/24196.2.151.0/24196.2.154.0/24196.2.155.0/24196.2.156.0/24196.2.157.0/24196.3.156.0/23196.3.159.0/24196.3.163.0/24196.4.71.0/24196.4.72.0/22196.4.76.0/24196.4.83.0/24196.4.97.0/24196.4.160.0/23196.4.160.0/24196.4.168.0/24196.4.172.0/24196.4.173.0/24196.4.174.0/23196.4.176.0/21196.4.184.0/22196.4.188.0/24196.4.212.0/22196.4.216.0/21196.4.224.0/21196.4.232.0/21196.6.133.0/24196.6.136.0/24196.6.137.0/24196.6.142.0/24196.6.147.0/24196.6.149.0/24196.6.150.0/24196.6.151.0/24196.6.153.0/24196.6.160.0/24196.6.161.0/24196.6.162.0/24196.6.165.0/24196.6.212.0/23196.6.212.0/24196.6.222.0/23196.6.237.0/24196.6.240.0/23196.6.251.0/24196.10.104.0/24196.10.118.0/24196.10.124.0/22196.10.130.0/23196.10.132.0/22196.10.150.0/23196.10.152.0/21196.10.160.0/19196.10.192.0/21196.10.204.0/22196.10.208.0/22196.10.212.0/23196.10.229.0/24196.10.248.0/23196.10.249.0/24196.11.58.0/24196.11.69.0/24196.11.70.0/24196.11.72.0/24196.11.109.0/24196.11.110.0/23196.11.112.0/23196.11.114.0/24196.11.116.0/24196.11.122.0/24196.11.148.0/23196.11.170.0/23196.11.172.0/23196.11.174.0/24196.11.188.0/24196.11.205.0/24196.11.209.0/24196.12.16.0/20196.12.16.0/24196.13.35.0/24196.13.73.0/24196.13.74.0/23196.13.76.0/22196.13.80.0/24196.13.93.0/24196.13.97.0/24196.13.132.0/24196.13.163.0/24196.13.164.0/24196.13.165.0/24196.13.213.0/24196.13.214.0/23196.13.216.0/23196.13.225.0/24196.13.226.0/23196.13.232.0/24196.13.251.0/24196.14.0.0/16196.14.5.0/24196.14.119.0/24196.14.144.0/24196.14.145.0/24196.14.146.0/24196.14.147.0/24196.14.149.0/24196.14.150.0/24196.15.152.0/24196.22.0.0/22196.22.32.0/20196.23.0.0/16196.26.0.0/16196.26.9.0/24196.26.160.0/24196.26.161.0/24196.26.162.0/24196.26.163.0/24196.28.95.0/24196.28.136.0/22196.28.136.0/24196.28.148.0/22196.28.151.0/24196.28.152.0/24196.28.155.0/24196.28.158.0/24196.28.159.0/24196.28.160.0/24196.28.162.0/23196.28.165.0/24196.28.169.0/24196.28.174.0/24196.28.182.0/24196.28.189.0/24196.28.191.0/24196.33.0.0/16196.33.120.0/24196.33.121.0/24196.33.122.0/24196.33.123.0/24196.34.0.0/15196.34.86.0/23196.35.4.0/24196.35.168.0/24196.35.178.0/24196.35.220.0/24196.35.222.0/23196.36.0.0/14196.36.0.0/16196.37.0.0/16196.37.208.0/24196.38.0.0/16196.41.128.0/24196.41.130.0/24196.41.132.0/24196.41.137.0/24196.41.139.0/24196.41.142.0/24196.45.96.0/20196.208.0.0/13196.208.0.0/14196.208.0.0/24196.209.0.0/17196.209.128.0/17196.209.251.0/24197.80.100.0/24197.80.140.0/24197.80.142.0/24197.80.160.0/24197.80.161.0/24197.80.223.0/24197.84.68.0/24197.84.75.0/24197.84.97.0/24197.84.120.0/24197.84.140.0/24197.84.143.0/24197.84.161.0/24197.84.192.0/18197.84.193.0/24197.84.208.0/24197.84.214.0/23197.84.222.0/24197.84.236.0/24197.84.240.0/24197.84.241.0/24197.84.242.0/24197.84.244.0/24197.84.245.0/24197.84.249.0/24197.84.253.0/24197.85.7.0/24197.85.182.0/23197.85.184.0/23197.85.186.0/23197.85.188.0/23197.85.190.0/23197.86.0.0/23197.86.2.0/24197.86.4.0/24197.86.12.0/24197.86.13.0/24197.86.15.0/24197.86.16.0/20197.86.34.0/24197.86.35.0/24197.86.36.0/22197.86.40.0/24197.86.48.0/24197.86.50.0/24197.96.0.0/13197.96.7.0/24197.96.190.0/24197.96.191.0/24197.98.201.0/24197.100.3.0/24197.100.24.0/24197.100.151.0/24197.101.0.0/16197.102.23.0/24197.102.252.0/24197.103.134.0/24198.54.20.0/22198.54.24.0/21198.54.32.0/21198.54.40.0/23198.54.42.0/24198.54.64.0/24198.54.71.0/24198.54.72.0/22198.54.84.0/24198.54.149.0/24198.54.154.0/24198.54.156.0/22198.54.160.0/23198.54.163.0/24198.54.165.0/24198.54.170.0/24198.54.184.0/22198.54.188.0/23198.54.192.0/22198.54.196.0/24198.54.219.0/24198.54.228.0/24198.54.253.0/24200.16.8.0/21204.235.32.0/21204.235.40.0/22
IPv6 (3)
2c0f:f400:10fe::/482c0f:f400:10ff::/482c0f:fc00::/27

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS3741 is reached through

The AS just before AS3741 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS6939 HURRICANE 59AS3356 LEVEL3 55AS174 COGENT-174 55AS2914 NTT-DATA-2914 1
ASPA

Provider authorization

AS3741 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS3741 as a provider
AS14789 CLOUDFLARENET
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
AFRINICNTT-DATA-IncAFRINIC-HM-MNT
NTTCOMISMAINT-AS3741
RADBISMAINT-AS3741

Route objects with origin AS3741: RADB 271 · NTTCOM 268 · AFRINIC 5 · RIPE 5 · ARIN 1 · LEVEL3 1

as-sets that list AS3741 (66)first 40 shown
AS-10099AS-30988AS-ANC-CUSTOMER-PROXY-REGISTERAS-ATRATO:AS-PEERSAS-BSVE:AS-LINX-PEERS-1AS-CHTR-SYNCAS-CTBC-CUSTOMERS118AS-CWCUSTEUAS-DDITS:AS-PEERSAS-DIGINETITCC-TRANSIT-PROVIDERSAS-DOCLER:AS-PEERSAS-EMIXAS-EUTELSAT-TH2AS-HKIXAS-HURRICANEV6AS-IIJAS-IS-INTAS-IS-SATRANSITAS-IS-TRANSITAS-ISZAAS-KDDAS-KORNETBGPAS-LEVEL3-ORIGINS-EUAS-LEVEL3-ORIGINS-NAAS-LEVEL3-TRANSITSAS-LIQUID-EXTAS-LIQUID-JINXPEERSAS-LIQUID-LINXPEERSAS-LUMEN-CUSTOMERS-ASNSAS-MANDA-DECIX-PEERS-V4AS-MANDA-DECIX-PEERS-V6AS-MANDA-LINX-PEERS-V4AS-MANDA-LINX-PEERS-V6AS-PACNET-CUSTOMER-PROXY-REGISTERAS-PEERSAS-PLUSNETUK:AS-LINX-PEERS-PRIAS-PLUSNETUK:AS-LINX-PEERS-SECAS-PROLEAS-RR-SYNCAS-SET-WA-IS
Tools

Check AS3741 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup