sites related to ENUM

ENUM crawler: searches the e164.arpa namespace, and provides information how many NAPTR recrods are found in which country

IETF ENUM working group: The working group that standardizes ENUM and Enumservices

ENUM (e164.arpa) registries

Austria (+43): enum.at

Czech Republic (+420): nic.cz

Germany (+44): DENIC

Romania (+40): enum.ro

United Kingdom (+44): UKEC

Poland (+48): dns.pl

Sweden (+46): IIS.se

Netherlands (+31): enuminnederland.nl (dutch)

Ireland (+353): ienum

(note - this list is not complete)