ARIN Region Weekly Routing Report

Routing Analysis cscora at dev.apnic.net
Thu Dec 28 13:03:26 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   29 Dec, 2000

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

BGP routing table entries examined:                            103246
Origin ASes present in the Internet Routing Table:               9506
Origin ASes announcing only one prefix:                          3364
Transit ASes present in the Internet Routing Table:              1268
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:                 1224972555
    Equivalent to 73 /8s, 3 /16s and 153 /24s
    Percentage of available address space announced:             33.0
    Percentage of allocated address space announced:             64.8
    Percentage of available address space allocated:             51.0

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

Prefixes being announced by ARIN Region ASes:                   69775
Prefixes being announced from the ARIN address blocks:          47545
ARIN Region origin ASes present in the Internet Routing Table:   5793
ARIN Region origin ASes announcing only one prefix:              1675
ARIN Region transit ASes present in the Internet Routing Table:   609
Average ARIN Region AS path length visible:                       5.2
    Max ARIN Region AS path length visible:                        15
Number of ARIN addresses announced to Internet:             172075939
    Equivalent to 10 /8s, 65 /16s and 171 /24s
    Percentage of available ARIN address space announced:        78.9

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     2580       3482       UUNET Technologies, Inc.
  705     1431         63       UUNET Technologies, Inc.
    1     1024       4578       BBN Planet
 7018      887       3040       AT&T
 8013      726         71       PSINet Ltd. Canada
 7046      686        512       UUNET Technologies, Inc.
 1239      676       1620       Sprint ICM-Inria
 2914      647       1293       Verio, Inc.
 2548      638        566       Digital Express Group, Inc.
  174      617       2754       PSINet Inc.
  209      595        568       Qwest
 3561      585       1362       Cable & Wireless USA
 2551      580        348       NETCOM On-Line Communication 
 6082      538         66       Management Analysis, Incorpor
 3549      500        432       Frontier GlobalCenter
 3908      449        281       Supernet, Inc.
 4293      439         56       Cable & Wireless USA
 3602      434         79       Sprint Canada
  271      433        271       BCnet Backbone
  690      390         30       Merit Network

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

  ASN   No of nets  /19 equiv  Description
 9768     3103         97       PubNet (Korea Telecom)
  701     2580       3482       UUNET Technologies, Inc.
 1221     2355       1191       Telstra
  705     1431         63       UUNET Technologies, Inc.
    1     1024       4578       BBN Planet
 7018      887       3040       AT&T
 8013      726         71       PSINet Ltd. Canada
 7046      686        512       UUNET Technologies, Inc.
 1239      676       1620       Sprint ICM-Inria
 2914      647       1293       Verio, Inc.
 2548      638        566       Digital Express Group, Inc.
  174      617       2754       PSINet Inc.
  209      595        568       Qwest
 3561      585       1362       Cable & Wireless USA
 2551      580        348       NETCOM On-Line Communication 
 6082      538         66       Management Analysis, Incorpor
 3549      500        432       Frontier GlobalCenter
 3908      449        281       Supernet, Inc.
 4293      439         56       Cable & Wireless USA
 2764      436        128       connect.com.au pty ltd

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      /14:193     /15:303     /16:6743    /17:1012    /18:1974    
/19:6224    /20:4312    /21:4194    /22:6433    /23:8434    /24:58955   
/25:986     /26:1495    /27:637     /28:196     /29:588     /30:285     
/31:1       /32:149     

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

   9:2        12:299      15:1        24:625      26:1        32:7      
  38:10       44:2        53:2        55:1        57:9        61:63     
  62:108      63:2463     64:1080     65:12       66:50       91:1      
 128:16      129:176     130:18      131:30      132:9       133:3      
 134:80      135:7       136:113     137:112     138:189     139:56     
 140:104     141:18      142:46      143:35      144:93      145:14     
 146:129     147:92      148:119     149:116     150:23      151:325    
 152:1037    153:110     154:232     155:58      156:14      157:100    
 158:51      159:47      160:18      161:47      162:63      163:118    
 164:104     165:93      166:174     167:73      168:68      169:29     
 170:185     171:2       192:5347    193:1803    194:1996    195:839    
 196:365     198:3728    199:3455    200:1693    202:2508    203:5163   
 204:3629    205:2522    206:2858    207:2974    208:2796    209:3426   
 210:642     211:195     212:729     213:284     214:7       215:11     
 216:2619    217:83      219:1      

End of report



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