ARIN Region Weekly Routing Report
Routing Analysis
cscora at dev.apnic.net
Thu Oct 5 14:05:36 EDT 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 06 Oct, 2000
Analysis Summary
----------------
BGP routing table entries examined: 90555
Origin ASes present in the Internet Routing Table: 8690
Origin ASes announcing only one prefix: 2924
Transit ASes present in the Internet Routing Table: 1173
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 16
Illegal AS announcements present in the Routing Table: 3
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 1
Number of addresses announced to Internet: 1188470963
Equivalent to 70 /8s, 214 /16s and 160 /24s
Percentage of available address space announced: 32.1
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 51.0
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 62709
Prefixes being announced from the ARIN address blocks: 42971
ARIN Region origin ASes present in the Internet Routing Table: 5248
ARIN Region origin ASes announcing only one prefix: 1459
ARIN Region transit ASes present in the Internet Routing Table: 575
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 182336559
Equivalent to 10 /8s, 222 /16s and 60 /24s
Percentage of available ARIN address space announced: 83.6
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 2020 3318 UUNET Technologies, Inc.
1 994 4559 BBN Planet
7018 868 3024 AT&T
1785 834 787 Sprint ICM
7046 767 518 UUNET Technologies, Inc.
2914 702 1323 Verio, Inc.
1239 691 1740 Sprint ICM-Inria
816 667 160 UUNET Canada4
3561 614 1458 Cable & Wireless USA
174 608 2733 PSINet Inc.
705 552 34 UUNET Technologies, Inc.
8013 512 65 PSINet Ltd. Canada
3549 500 413 Frontier GlobalCenter
209 474 544 Qwest
271 466 380 BCnet Backbone
3908 447 289 Supernet, Inc.
4293 434 63 Cable & Wireless USA
3602 433 82 Sprint Canada
2548 426 520 Digital Express Group, Inc.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2020 3318 UUNET Technologies, Inc.
1 994 4559 BBN Planet
1221 921 998 Telstra
7018 868 3024 AT&T
1785 834 787 Sprint ICM
7046 767 518 UUNET Technologies, Inc.
2914 702 1323 Verio, Inc.
1239 691 1740 Sprint ICM-Inria
816 667 160 UUNET Canada4
3561 614 1458 Cable & Wireless USA
174 608 2733 PSINet Inc.
705 552 34 UUNET Technologies, Inc.
8013 512 65 PSINet Ltd. Canada
3549 500 413 Frontier GlobalCenter
209 474 544 Qwest
271 466 380 BCnet Backbone
2764 465 130 connect.com.au pty ltd
3908 447 289 Supernet, Inc.
4293 434 63 Cable & Wireless USA
List of Illegal AS's (Global)
-----------------------------
Bad AS Designation Network Transit AS Description
65005 PRIVATE 63.101.102.0/24 7407 MCI Telecom. State G
64602 PRIVATE 63.236.57.0/24 209 Qwest
64605 PRIVATE 208.47.206.0/24 209 Qwest
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
27.0.0.0/16 1221 Telstra
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 /12:29
/13:59 /14:172 /15:276 /16:6556 /17:934 /18:1873
/19:5958 /20:3784 /21:3849 /22:5832 /23:7833 /24:52421
/25:180 /26:335 /27:87 /28:74 /29:88 /30:87
/31:0 /32:87
End of report
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