ARIN Region Weekly Routing Report
Routing Analysis
cscora at dev.apnic.net
Thu Oct 26 14:02:45 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 27 Oct, 2000
Analysis Summary
----------------
BGP routing table entries examined: 89649
Origin ASes present in the Internet Routing Table: 8834
Origin ASes announcing only one prefix: 2990
Transit ASes present in the Internet Routing Table: 1244
Average AS path length visible in the Internet Routing Table: 5.5
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 0
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: 1184446165
Equivalent to 70 /8s, 153 /16s and 54 /24s
Percentage of available address space announced: 32.0
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 51.0
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 62062
Prefixes being announced from the ARIN address blocks: 43068
ARIN Region origin ASes present in the Internet Routing Table: 5359
ARIN Region origin ASes announcing only one prefix: 1497
ARIN Region transit ASes present in the Internet Routing Table: 606
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 166471352
Equivalent to 9 /8s, 236 /16s and 38 /24s
Percentage of available ARIN address space announced: 76.3
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 2066 3354 UUNET Technologies, Inc.
1 889 4537 BBN Planet
7018 879 3014 AT&T
7046 702 508 UUNET Technologies, Inc.
2914 696 1333 Verio, Inc.
1239 688 1635 Sprint ICM-Inria
705 650 37 UUNET Technologies, Inc.
816 634 143 UUNET Canada4
174 602 2717 PSINet Inc.
3561 569 1390 Cable & Wireless USA
8013 500 63 PSINet Ltd. Canada
209 496 560 Qwest
3549 479 418 Frontier GlobalCenter
271 458 300 BCnet Backbone
3908 448 290 Supernet, Inc.
4293 432 55 Cable & Wireless USA
2548 425 528 Digital Express Group, Inc.
3602 425 81 Sprint Canada
549 352 280 ONET
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2066 3354 UUNET Technologies, Inc.
1 889 4537 BBN Planet
7018 879 3014 AT&T
1221 739 989 Telstra
7046 702 508 UUNET Technologies, Inc.
2914 696 1333 Verio, Inc.
1239 688 1635 Sprint ICM-Inria
705 650 37 UUNET Technologies, Inc.
816 634 143 UUNET Canada4
174 602 2717 PSINet Inc.
3561 569 1390 Cable & Wireless USA
8013 500 63 PSINet Ltd. Canada
209 496 560 Qwest
3549 479 418 Frontier GlobalCenter
271 458 300 BCnet Backbone
3908 448 290 Supernet, Inc.
4293 432 55 Cable & Wireless USA
2548 425 528 Digital Express Group, Inc.
3602 425 81 Sprint Canada
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
50.50.50.0/30 6713 Itissalat Al-MAGHRIB
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:4 /10:5 /11:9 /12:31
/13:56 /14:174 /15:289 /16:6683 /17:949 /18:1903
/19:6015 /20:3908 /21:3881 /22:5780 /23:7519 /24:52008
/25:93 /26:133 /27:42 /28:22 /29:62 /30:24
/31:0 /32:37
End of report
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