ARIN Region Weekly Routing Report

Routing Analysis cscora at dev.apnic.net
Thu Dec 21 13:03:16 EST 2000


This is an automated weekly mailing sent to the ARIN RTMA WG e-mail list
describing the state of the Internet Routing Table in North and South America
and Southern Africa. Daily listings are sent to bgp-stats at lists.apnic.net

For a graphical representation, please see http://www.apnic.net/stats/bgp.

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Americas and Southern Africa Report   22 Dec, 2000

Analysis Summary
----------------

BGP routing table entries examined:                             99729
Origin ASes present in the Internet Routing Table:               9472
Origin ASes announcing only one prefix:                          3343
Transit ASes present in the Internet Routing Table:              1272
Average AS path length visible in the Internet Routing Table:     5.3
    Max AS path length visible:                                    18
Illegal AS announcements present in the Routing Table:             13
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from the IANA Reserved Address blocks:     2
Number of addresses announced to Internet:                 1223153153
    Equivalent to 72 /8s, 231 /16s and 214 /24s
    Percentage of available address space announced:             33.0
    Percentage of allocated address space announced:             64.7
    Percentage of available address space allocated:             51.0

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                   69201
Prefixes being announced from the ARIN address blocks:          47034
ARIN Region origin ASes present in the Internet Routing Table:   5774
ARIN Region origin ASes announcing only one prefix:              1659
ARIN Region transit ASes present in the Internet Routing Table:   610
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        15
Number of ARIN addresses announced to Internet:             171763407
    Equivalent to 10 /8s, 60 /16s and 230 /24s
    Percentage of available ARIN address space announced:        78.8

ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                       2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
                       3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
                       7723 - 8191, 10240 - 12287, 13312 - 15359
                       16384 - 17407, 18432 - 19455
ARIN Address Blocks    63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /19 equiv  Description
  701     2582       3472       UUNET Technologies, Inc.
  705     1414         63       UUNET Technologies, Inc.
    1     1019       4573       BBN Planet
 7018      889       3041       AT&T
 7046      699        514       UUNET Technologies, Inc.
 1239      692       1612       Sprint ICM-Inria
 8013      682         69       PSINet Ltd. Canada
 2914      646       1287       Verio, Inc.
 2548      635        556       Digital Express Group, Inc.
  174      611       2735       PSINet Inc.
  209      589        568       Qwest
 3561      582       1363       Cable & Wireless USA
 6082      540         66       Management Analysis, Incorpor
 3549      499        432       Frontier GlobalCenter
 3908      451        281       Supernet, Inc.
  271      438        311       BCnet Backbone
 4293      437         56       Cable & Wireless USA
 3602      433         79       Sprint Canada
  690      391         38       Merit Network
 8151      354        184       UniNet S.A. de C.V.

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /19 equiv  Description
  701     2582       3472       UUNET Technologies, Inc.
 1221     2359       1191       Telstra
  705     1414         63       UUNET Technologies, Inc.
    1     1019       4573       BBN Planet
 7018      889       3041       AT&T
 7046      699        514       UUNET Technologies, Inc.
 1239      692       1612       Sprint ICM-Inria
 8013      682         69       PSINet Ltd. Canada
 2914      646       1287       Verio, Inc.
 2548      635        556       Digital Express Group, Inc.
  174      611       2735       PSINet Inc.
  209      589        568       Qwest
 3561      582       1363       Cable & Wireless USA
 6082      540         66       Management Analysis, Incorpor
 3549      499        432       Frontier GlobalCenter
 3908      451        281       Supernet, Inc.
  271      438        311       BCnet Backbone
 4293      437         56       Cable & Wireless USA
 2764      433        128       connect.com.au pty ltd
 3602      433         79       Sprint Canada

List of Unregistered ASNs (Global)
----------------------------------

Bad AS  Designation  Network              Transit AS  Description
65501   PRIVATE       64.21.103.0/24       16890       Network Services, In
 2027   UNALLOCATED   150.185.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp.
 2027   UNALLOCATED   150.186.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.187.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.188.0.0/16       10530       Interpacket Group, I
 2027   UNALLOCATED   150.189.0.0/16       10530       Interpacket Group, I
 1877   UNALLOCATED   192.108.196.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.209.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.210.0/24      1880       Stupi, house man's 
 1877   UNALLOCATED   192.108.214.0/24      1880       Stupi, house man's 
 5757   UNALLOCATED   192.239.13.0/24        701       UUNET Technologies, 
 5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 

Advertised IANA Reserved Addresses
----------------------------------

Network            Origin AS  Description
91.16.23.0/24        11770     Net56
219.219.219.0/24      2563     Seoul National University

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:23       /9:4       /10:5       /11:9       /12:32      
/13:59      /14:190     /15:298     /16:6749    /17:1010    /18:1969    
/19:6208    /20:4293    /21:4177    /22:6407    /23:8413    /24:58309   
/25:283     /26:457     /27:157     /28:115     /29:111     /30:274     
/31:0       /32:177     

Number of /24s announced per /8 block (Global)
----------------------------------------------

   9:2        12:297      15:1        24:625      26:1        32:7      
  38:10       44:2        53:2        55:1        57:9        61:60     
  62:108      63:2454     64:1068     65:12       66:46       91:1      
 128:20      129:173     130:18      131:31      132:9       133:3      
 134:84      135:7       136:114     137:113     138:182     139:66     
 140:103     141:18      142:64      143:35      144:93      145:14     
 146:129     147:94      148:118     149:112     150:23      151:256    
 152:1036    153:87      154:231     155:58      156:14      157:101    
 158:51      159:47      160:18      161:53      162:63      163:118    
 164:109     165:94      166:174     167:75      168:67      169:29     
 170:184     171:2       192:5354    193:1813    194:1986    195:847    
 196:366     198:3733    199:3392    200:1712    202:2510    203:5212   
 204:3593    205:2502    206:2802    207:2834    208:2780    209:3337   
 210:532     211:136     212:707     213:268     214:7       215:11     
 216:2598    217:80      219:1      

End of report



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