ResearchRouting table, RPKI, IRR & looking glass

AS57043 HOSTKEY B.V.

AS57043 (HOSTKEY-AS) is registered to HOSTKEY B.V. in NL. It originates 623 prefixes in the global routing table.

616
IPv4 prefixes
7
IPv6 prefixes
156,928
IPv4 addresses
99%
RPKI valid
Registration

Who holds AS57043

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

AS number
AS57043
Handle
HOSTKEY-AS
Organization
HOSTKEY B.V.
Country
NL
ASPA
None published
Routing

What AS57043 announces

Prefixes originated by AS57043 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
616
IPv6 prefixes
7
IPv4 addresses
156,928 (613 /24s)
RPKI valid
617 99%
RPKI invalid
0
RPKI not found
6
ROAs naming AS57043
697
With an IRR route object
622 99%
Prefixes

Announced prefixes

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

IPv4 (616)
2.27.86.0/242.27.127.0/242.57.242.0/242.57.243.0/245.39.216.0/215.39.216.0/245.39.217.0/245.39.218.0/245.39.219.0/245.39.220.0/245.39.221.0/245.39.222.0/245.39.223.0/245.42.199.0/245.102.37.0/245.145.176.0/245.180.172.0/245.180.173.0/245.188.232.0/245.253.63.0/249.247.30.0/249.247.46.0/2431.57.44.0/2431.57.45.0/2431.57.143.0/2431.57.166.0/2431.57.170.0/2431.207.44.0/2231.207.44.0/2431.207.45.0/2431.207.46.0/2431.207.47.0/2443.245.224.0/2243.245.224.0/2443.245.225.0/2443.245.226.0/2443.245.227.0/2445.12.255.0/2445.67.202.0/2445.87.184.0/2445.88.15.0/2445.129.78.0/2445.134.184.0/2445.134.217.0/2445.134.218.0/2445.135.182.0/2445.150.111.0/2445.152.22.0/2445.155.102.0/2445.155.103.0/2445.159.181.0/2445.197.133.0/2446.8.41.0/2446.8.186.0/2346.17.96.0/2146.17.96.0/2446.17.97.0/2446.17.98.0/2446.17.99.0/2446.17.100.0/2446.17.101.0/2446.17.102.0/2446.17.103.0/2446.161.40.0/2446.249.109.0/2451.146.8.0/2462.76.236.0/2462.76.237.0/2462.132.3.0/2464.137.109.0/2464.255.25.0/2466.151.32.0/2466.151.33.0/2466.151.34.0/2466.151.35.0/2466.151.40.0/2466.151.41.0/2466.151.42.0/2466.151.43.0/2466.248.204.0/2266.248.204.0/2466.248.205.0/2466.248.206.0/2466.248.207.0/2467.203.37.0/2472.35.242.0/2477.67.23.0/2477.67.89.0/2477.83.85.0/2477.83.86.0/2477.83.87.0/2478.17.2.0/2478.17.9.0/2478.17.10.0/2478.17.13.0/2478.17.15.0/2478.17.16.0/2478.17.24.0/2478.17.37.0/2478.17.38.0/2478.17.41.0/2478.17.42.0/2478.17.45.0/2478.17.53.0/2478.17.56.0/2478.17.57.0/2478.17.59.0/2478.17.60.0/2478.17.68.0/2478.17.74.0/2478.17.78.0/2478.17.80.0/2478.17.102.0/2478.17.104.0/2478.17.105.0/2478.17.106.0/2478.17.114.0/2478.17.117.0/2478.17.124.0/2478.17.125.0/24
Show 496 more
78.17.126.0/2478.17.130.0/2478.17.131.0/2478.17.135.0/2478.17.144.0/2478.17.150.0/2478.17.153.0/2478.17.158.0/2478.17.160.0/2478.17.170.0/2478.17.180.0/2478.17.185.0/2478.17.186.0/2478.17.192.0/2478.17.198.0/2478.17.208.0/2479.110.227.0/2479.133.180.0/2480.71.226.0/2480.86.216.0/2480.86.217.0/2481.22.134.0/2481.29.146.0/2481.29.155.0/2482.21.7.0/2482.21.53.0/2482.21.114.0/2482.21.117.0/2482.21.150.0/2482.21.153.0/2482.22.3.0/2482.22.6.0/2482.22.35.0/2482.22.36.0/2482.22.38.0/2482.22.47.0/2482.22.50.0/2482.22.53.0/2482.22.146.0/2482.22.175.0/2482.22.187.0/2482.23.138.0/2482.23.162.0/2482.23.163.0/2482.23.173.0/2482.23.177.0/2482.23.248.0/2482.23.249.0/2482.24.19.0/2482.24.110.0/2482.24.123.0/2482.24.174.0/2482.24.195.0/2482.25.12.0/2482.25.39.0/2482.25.58.0/2482.25.60.0/2482.25.61.0/2482.25.161.0/2482.25.174.0/2482.25.185.0/2482.25.190.0/2482.26.86.0/2482.26.91.0/2482.26.94.0/2482.26.136.0/2482.26.150.0/2482.26.151.0/2482.26.152.0/2482.26.171.0/2482.26.193.0/2482.26.198.0/2482.27.117.0/2482.27.118.0/2482.38.40.0/2482.38.64.0/2482.38.65.0/2482.38.66.0/2482.38.67.0/2482.38.70.0/2482.38.71.0/2482.38.135.0/2482.38.139.0/2482.38.171.0/2482.39.165.0/2482.39.215.0/2482.40.37.0/2482.40.38.0/2482.40.49.0/2482.40.56.0/2482.40.57.0/2482.40.58.0/2482.40.60.0/2482.47.188.0/2482.115.28.0/2482.139.193.0/2482.153.243.0/2484.245.19.0/2485.115.210.0/2485.137.251.0/2485.204.18.0/2487.58.210.0/2487.58.216.0/2487.121.58.0/2487.239.249.0/2487.239.252.0/2489.35.119.0/2489.35.129.0/2489.39.120.0/2489.40.70.0/2489.125.0.0/2489.125.1.0/2489.125.2.0/2489.125.3.0/2489.125.17.0/2489.125.18.0/2489.125.19.0/2489.125.25.0/2489.125.42.0/2489.125.49.0/2489.125.51.0/2489.125.53.0/2489.125.54.0/2489.125.56.0/2489.125.60.0/2489.125.61.0/2489.125.63.0/2489.125.65.0/2489.125.68.0/2489.125.73.0/2489.125.77.0/2489.125.85.0/2489.125.89.0/2489.125.90.0/2489.125.91.0/2489.125.92.0/2489.125.119.0/2489.125.122.0/2489.125.123.0/2489.125.124.0/2489.125.130.0/2489.125.159.0/2489.125.181.0/2489.125.185.0/2489.125.188.0/2489.125.197.0/2489.125.210.0/2489.125.212.0/2489.125.250.0/2489.125.253.0/2489.191.234.0/2491.108.83.0/2491.108.225.0/2491.108.247.0/2491.108.248.0/2491.124.121.0/2491.217.149.0/2491.229.104.0/2491.229.105.0/2491.236.186.0/2491.239.211.0/2492.60.78.0/2492.242.164.0/2493.89.223.0/2493.123.114.0/2494.103.178.0/2494.156.79.0/2494.176.3.0/2494.177.58.0/2494.177.106.0/2494.177.145.0/24103.7.54.0/24103.7.55.0/24103.27.156.0/24103.73.35.0/24104.222.183.0/24104.238.6.0/24104.239.12.0/24104.249.22.0/24104.253.187.0/24104.253.216.0/24107.181.147.0/24107.181.151.0/24109.66.233.0/24109.66.236.0/24109.66.238.0/24109.248.16.0/24109.248.17.0/24109.248.175.0/24132.243.194.0/24132.243.201.0/24132.243.207.0/24132.243.213.0/24132.243.224.0/24132.243.228.0/24132.243.234.0/24132.243.235.0/24132.243.244.0/24138.249.117.0/24138.249.141.0/24138.249.149.0/24140.150.226.0/24140.150.238.0/24141.0.188.0/24141.11.0.0/24141.11.209.0/24141.11.211.0/24141.98.4.0/24141.105.143.0/24142.111.162.0/24144.56.44.0/24145.223.3.0/24146.0.72.0/21146.0.72.0/24146.0.73.0/24146.0.74.0/24146.0.75.0/24146.0.76.0/24146.0.77.0/24146.0.78.0/24146.0.79.0/24146.103.25.0/24147.45.38.0/24147.90.7.0/24147.90.9.0/24147.90.10.0/24147.90.11.0/24147.90.12.0/24147.90.13.0/24147.90.14.0/24147.90.15.0/24148.135.175.0/24148.135.184.0/24148.135.185.0/24148.135.202.0/24148.135.203.0/24148.135.208.0/24148.135.209.0/24148.135.211.0/24150.241.228.0/24150.241.239.0/24150.251.145.0/24151.241.109.0/24151.241.155.0/24151.241.215.0/24151.241.216.0/24151.241.217.0/24151.241.221.0/24151.241.226.0/24151.241.227.0/24151.241.228.0/24151.241.229.0/24151.241.234.0/24151.242.88.0/24151.243.3.0/24151.243.145.0/24151.243.169.0/24151.243.171.0/24151.243.173.0/24151.243.176.0/24151.243.177.0/24151.243.180.0/24151.243.181.0/24151.243.182.0/24151.243.190.0/24151.243.191.0/24151.243.196.0/24151.243.198.0/24151.243.199.0/24151.243.208.0/24151.243.209.0/24151.243.212.0/24151.243.217.0/24151.243.224.0/24151.243.225.0/24151.243.232.0/24151.243.245.0/24151.243.247.0/24151.244.243.0/24151.244.246.0/24151.244.251.0/24151.244.253.0/24151.245.92.0/24151.245.136.0/24151.245.137.0/24151.245.139.0/24151.245.140.0/24151.245.216.0/24151.245.217.0/24151.247.196.0/24151.247.197.0/24151.247.208.0/24151.247.209.0/24151.247.219.0/24152.114.192.0/24152.114.193.0/24152.114.194.0/24152.114.195.0/24153.76.227.0/24153.76.231.0/24156.67.62.0/24156.67.63.0/24162.141.93.0/24163.5.16.0/24163.5.29.0/24163.5.41.0/24163.5.180.0/24163.245.46.0/24163.245.50.0/24166.0.28.0/24166.1.129.0/24166.1.157.0/24166.1.220.0/24166.88.162.0/24166.88.180.0/24167.17.40.0/24167.17.176.0/24167.17.177.0/24167.17.182.0/24167.148.156.0/24167.148.209.0/24167.148.223.0/24168.113.155.0/24168.222.78.0/24170.168.91.0/24170.168.118.0/24172.252.162.0/24173.211.31.0/24174.140.204.0/24176.119.141.0/24176.222.52.0/22176.222.52.0/24176.222.53.0/24176.222.54.0/24176.222.55.0/24178.95.160.0/24179.254.73.0/24179.254.75.0/24184.174.69.0/24185.5.38.0/24185.23.18.0/24185.23.239.0/24185.24.150.0/24185.36.125.0/24185.70.184.0/22185.70.184.0/24185.70.185.0/24185.70.186.0/24185.70.187.0/24185.84.224.0/24185.130.224.0/22185.130.224.0/24185.130.225.0/24185.130.226.0/24185.130.227.0/24185.167.63.0/24185.210.169.0/24185.212.119.0/24185.218.204.0/24185.231.221.0/24185.231.222.0/24185.232.117.0/24185.233.184.0/24185.237.95.0/24185.240.160.0/24185.244.40.0/24185.244.48.0/24185.244.49.0/24185.247.143.0/24185.250.45.0/24186.246.44.0/22188.130.141.0/24188.130.226.0/24188.130.227.0/24188.130.230.0/24188.208.103.0/24188.213.0.0/24188.214.107.0/24189.74.120.0/24189.74.121.0/24191.44.40.0/22191.101.113.0/24192.109.206.0/24193.17.95.0/24193.37.196.0/24193.42.122.0/24193.57.139.0/24193.84.2.0/24193.84.3.0/24193.104.33.0/24193.109.68.0/23193.109.68.0/24193.109.69.0/24193.124.17.0/24193.124.36.0/24193.124.95.0/24193.124.225.0/24193.247.77.0/24193.247.81.0/24193.247.82.0/24194.4.50.0/24194.34.236.0/24194.34.238.0/24194.41.113.0/24194.50.94.0/24194.58.56.0/24194.58.154.0/24194.58.155.0/24194.58.223.0/24194.77.71.0/24194.85.249.0/24194.85.251.0/24194.87.1.0/24194.87.51.0/24194.87.54.0/24194.87.55.0/24194.87.78.0/24194.87.157.0/24194.87.166.0/24194.87.233.0/24194.87.255.0/24194.113.153.0/24194.135.124.0/24194.147.214.0/24194.147.215.0/24194.164.216.0/24194.164.217.0/24194.164.234.0/24194.164.235.0/24194.180.188.0/24194.180.189.0/24194.180.206.0/24194.180.207.0/24194.247.182.0/24194.247.183.0/24194.247.186.0/24194.247.187.0/24195.14.118.0/24195.26.230.0/24195.26.231.0/24195.58.62.0/24195.96.129.0/24195.133.9.0/24195.133.42.0/24195.158.192.0/24195.162.68.0/24195.162.69.0/24195.162.246.0/24195.216.186.0/24195.226.194.0/24195.245.239.0/24202.71.12.0/24202.71.13.0/24202.148.52.0/24202.148.53.0/24202.148.54.0/24202.148.55.0/24204.77.1.0/24206.245.129.0/24206.245.135.0/24206.245.159.0/24208.67.105.0/24208.67.106.0/24208.123.185.0/24208.123.190.0/24212.16.78.0/24212.69.84.0/24212.69.85.0/24212.69.86.0/24212.69.87.0/24212.102.125.0/24212.102.227.0/24212.108.82.0/24212.108.83.0/24212.192.0.0/24212.192.8.0/24212.192.11.0/24212.192.212.0/24212.237.216.0/24212.237.217.0/24212.237.218.0/24212.237.219.0/24213.182.192.0/24213.182.208.0/24217.11.166.0/24217.28.129.0/24217.147.13.0/24222.167.208.0/24222.167.211.0/24222.167.212.0/24222.167.216.0/24222.167.220.0/24222.167.231.0/24222.167.238.0/24222.167.249.0/24222.167.252.0/24
IPv6 (7)
2a05:b40::/322a05:b41:100::/402a05:b42::/322a0c:b641:330::/442a0e:e6c0:8000::/442a0f:e7c4:10::/482a11:3500::/29

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS57043 is reached through

The AS just before AS57043 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.

AS174 COGENT-174 55AS6939 HURRICANE 50AS3257 GTT-BACKBONE 8AS59692 IQWEB 6AS6762 SEABONE-NET 3AS12735 ASTurkNet 1AS6677 ICENET-AS1 1
ASPA

Provider authorization

AS57043 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS57043 as a provider
AS57511 ITEL-AS-NUMBER
IRR

Routing registry objects

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

Sourceas-nameMaintained by
RIPEHOSTKEY-ASRIPE-NCC-END-MNT, HOSTKEY-MNT

Route objects with origin AS57043: RIPE 684 · RADB 213 · AFRINIC 55 · ARIN 19

as-sets that list AS57043 (37)
AS-HOSTKEYBVAS-HURRICANEAS-HURRICANEV6AS-LUMEN-CUSTOMERS-ASNSAS-MANDA-AMSIX-PEERS-V4AS-MANDA-AMSIX-PEERS-V6AS-RETN-ACTUAL-V4AS-RETN-ACTUAL-V6AS-SUOMICOMAS-TRANSROUTE-SPECAS-TURKNETTRAS-VELOCITYSCAPE-EUAS199746:AS-BLACKLISTAS204464:AS-BLACKLISTAS25151:AS-AMS-IX-PEERSAS42476:AS-SWISSIX-CONNECTEDAS43369:AS-RS-V4AS43369:AS-RS-V6AS48793:AS-DECIX-MAD-CONNECTEDAS48793:AS-DECIX-MAD-RSAS48793:AS-DECIX-MAD-RS-V6AS57043:AS-HOSTKEY-DEAS57043:AS-HOSTKEY-ESAS57043:AS-HOSTKEY-FIAS57043:AS-HOSTKEY-FRAS57043:AS-HOSTKEY-GBAS57043:AS-HOSTKEY-ISAS57043:AS-HOSTKEY-ITAS57043:AS-HOSTKEY-PLAS57043:AS-HOSTKEY-TRAS58453:AS-ASIAASCUSTAS61180:AS-PEERS-AMSIXAS6677:AS-DC-CUSTOMERSAS6777:AS-AMS-IX-RSAS6777:AS-AMS-IX-RS-V6AS680:AS-AMSIX-RS-PEERSAS8218:AS-AMSIX-RS
Tools

Check AS57043 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup