The contents of this legacy page are no longer maintained nor supported, and are made available only for historical purposes.

Internet Atlas Gallery

GTrace - Geographical Traceroute

Ram Periakarrupen
Cooperative Association for Internet Data Analysis (CAIDA)
San Diego Supercomputer Center (SDSC)
University of California, San Diego (UCSD)

Visualization Thumbnail Data
Data Sources:
(Source1): traceroute to destination returns paths along route, recording:
  • Hop number
  • IP address
  • RTT (msec)
(Source2): GTrace databases: Machine.db, Organization.db, Hosts.db, Cities.db, Airport.db, additional dbs if added by user. (Source3): NetGeo database
Data Specification:
(Data1): RFC1876 DNS LOC
(Data2): RFC1918 IP Addresses
(Data3): RFC954 NICNAME / WHOIS records
(Data4): RFC1393 Traceroute Using IP
Data Aggregation:
Map IP address to hostname and lat/long using:
  • Host DNS LOC record
  • DBs from GTrace config file (5 bundled with GTrace + those added by user)
  • Domain parsing file
  • Hostname reduction match
  • NetGeo whois info
  • State or country code
Data Filters:
Click Image for Full-Size Visualization Back