AT&T
Dialup: <port>.<router-location>.<state>.dial-access.att.net
Port = 2-254 (dial-up ports); 1 = router
router-
location = "los-angeles-2" (city and router #).
state = 2-letter abbreviation.
Sprint
Sprintlink and Dialsprint Routers
<network>.<router-type><number>. <city>.sprinlink.net
network = The network the router resides within
sl = sprintlink - Sprint Internet backbone
sdn = sprint dialnet - Sprint dialup services
pip = peerless IP - Sprint private IP-based network for customers (no Internet peers)
router-type = 2 letter type code
gw = customer gateway
bb = backbone (At one time, 1-19 = Cisco 7500 series; 20+ = Cisco 12000 series--may be depricated)
dr = data center router
st = shared tenant
pe = MPLS Provider Edge router
city = 2 or 3-letter abbreviation for the city
Domestic Sites
ANA = Anaheim, California
ATL = Atlanta, Georgia
CHE = Cheyenne, Wyoming
CHI = Chicago, Illinois
DC = Washington, D.C.
FW = Fort Worth, Texas
KC = Kansas City, Missouri
ORL = Orlando, Florida
PEN = Pennsauken, New Jersey
REL = Relay, Maryland
ROA = Roachdale, Indiana
SJ = San Jose, California
SEA = Seattle, Washington
STK = Stockton, CaliforniaInternational Sites
AMS = Amsterdam, Netherlands
BRU = Brussels, Belgium
FRA = Frankfurt, Germany
LON = London, England
PAR = Paris, France
SYD = Sydney, Australia
Customer premise routers follow this convention:
sl-xxx-##.sprintlink.net
where:
xxx = customer short hame
## = number of the router (in the order that they were installed/turned up)
For more information, see: Sprintlink Router Naming Convention