Olsson Dot Net (AS5491)
Network Operation Center
IPv6 Ready
Local resources
Looking Glass
Reverse Traceroute
Reverse Ping
Speedtest NDT
NPAD
DNS_admin
Observium
NfSen
Arbor
Internet weather
Smokeping, DTU, Lyngby
Smokeping, Vallensbaek
MyIP IPv4/IPv6
Cisco NSO
knowledge Center
External resources
IP address allocation in percentage by country
IANA (Internet Assigned Numbers Authority)
ISOC, Internet Society
Hurricane Electric AS info
Routinator RPKI Check
Baker's Dozen for 2016
Caida, AS Ranking
REX - the RIPE NCC Resource Explainer
RIPE BGPlay
Active BGP entries (FIB)
A complete reference site on BGP4
ONE STEP - BGP Community Guides
BGP potaroo.net
BGP Bogus ASN List
IPv6 BGP weathermap
RIPE whois
AfriNIC whois
ARIN whois
APNIC whois
LATNIC Whois
Global Internet Exchange Points / BGP Peering Points / IXP
International Looking Glass, Traceroute Sites
LOOkinGlass.org
DKNOG
NORDUnet
Measurement Converter
The World Clock
Questions/comments:
Jan Olsson