ARIN Region Weekly Routing Report
Routing Analysis
cscora at dev.apnic.net
Sat Sep 23 04:08:30 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 23 Sep, 2000
Analysis Summary
----------------
BGP routing table entries examined: 90143
Origin ASes present in the Internet Routing Table: 8581
Origin ASes announcing only one prefix: 2896
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: 14
Illegal AS announcements present in the Routing Table: 9
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: 1196600251
Equivalent to 71 /8s, 82 /16s and 171 /24s
Percentage of available address space announced: 32.3
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 51.0
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 61920
Prefixes being announced from the ARIN address blocks: 42148
ARIN Region origin ASes present in the Internet Routing Table: 5186
ARIN Region origin ASes announcing only one prefix: 1443
ARIN Region transit ASes present in the Internet Routing Table: 564
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 14
Number of ARIN addresses announced to Internet: 182678759
Equivalent to 10 /8s, 227 /16s and 116 /24s
Percentage of available ARIN address space announced: 83.8
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 2025 3388 UUNET Technologies, Inc.
1 979 4542 BBN Planet
7018 865 3023 AT&T
7046 736 525 UUNET Technologies, Inc.
2914 710 1337 Verio, Inc.
1239 686 1747 Sprint ICM-Inria
816 661 193 UUNET Canada4
3561 610 1497 Cable & Wireless USA
174 606 2741 PSINet Inc.
1785 551 770 Sprint ICM
705 548 33 UUNET Technologies, Inc.
8013 511 65 PSINet Ltd. Canada
3549 496 413 Frontier GlobalCenter
209 485 709 Qwest
271 463 380 BCnet Backbone
3908 442 289 Supernet, Inc.
3602 436 79 Sprint Canada
2548 424 521 Digital Express Group, Inc.
4293 421 62 Cable & Wireless USA
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2025 3388 UUNET Technologies, Inc.
1 979 4542 BBN Planet
1221 909 975 Telstra
7018 865 3023 AT&T
7046 736 525 UUNET Technologies, Inc.
2914 710 1337 Verio, Inc.
1239 686 1747 Sprint ICM-Inria
816 661 193 UUNET Canada4
3561 610 1497 Cable & Wireless USA
174 606 2741 PSINet Inc.
1785 551 770 Sprint ICM
705 548 33 UUNET Technologies, Inc.
8013 511 65 PSINet Ltd. Canada
3549 496 413 Frontier GlobalCenter
209 485 709 Qwest
271 463 380 BCnet Backbone
2764 463 129 connect.com.au pty ltd
3908 442 289 Supernet, Inc.
3602 436 79 Sprint Canada
List of Illegal AS's (Global)
-----------------------------
Bad AS Designation Network Transit AS Description
65002 PRIVATE 63.67.121.0/24 7046 UUNET Technologies,
65004 PRIVATE 63.77.198.0/24 7046 UUNET Technologies,
65002 PRIVATE 63.90.91.0/24 7046 UUNET Technologies,
65003 PRIVATE 63.90.94.0/24 7046 UUNET Technologies,
65003 PRIVATE 63.90.95.0/24 7046 UUNET Technologies,
64602 PRIVATE 63.236.57.0/24 209 Qwest
64512 PRIVATE 64.44.159.0/24 7309 The Virtual Marketin
64605 PRIVATE 208.47.206.0/24 209 Qwest
65003 PRIVATE 208.230.69.0/24 7046 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
105.200.37.0/24 9768 Korea Telecom
220.10.56.0/24 3215 RAIN
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 /14:176 /15:293 /16:6650 /17:940 /18:1833
/19:5933 /20:3708 /21:3789 /22:5779 /23:7690 /24:52013
/25:296 /26:446 /27:76 /28:72 /29:95 /30:118
/31:0 /32:107
End of report
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