AS number distribution for January, 2008
Total number of ASs seen: 28023

Distribution of AS numbers by 2-byte only vs 4-byte only: 

	2-byte only ASes: 28008
	4-byte only ASes: 15


Distribution of AS numbers by RIR

	ARIN     :     13165
	RIPE NCC :     10963
	APNIC    :      3179
	LACNIC   :       419
	AFRINIC  :        81
	IANA     :         4*
	Private  :       211
	TOTAL    :     28023

* AS60000
 AS60003
 AS64234
 AS65535
 

Distribution of AS numbers by single-homed or multihomed

Single-homed

	ARIN     :      3758
	RIPE NCC :      3338
	APNIC    :       814
	LACNIC   :       167
	AFRINIC  :        36
	IANA     :         3*
	Private  :       152
	TOTAL    :      8268

* AS60000
 AS60003
 AS64234
 
Multihomed

	ARIN     :      9400
	RIPE NCC :      7624
	APNIC    :      2365
	LACNIC   :       252
	AFRINIC  :        45
	IANA     :         1*
	Private  :        46
	TOTAL    :     19734

* AS65535