ARIN Region Weekly Routing Report
Routing Analysis
cscora at dev.apnic.net
Thu Jan 18 13:07:50 EST 2001
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 19 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 100161
Origin ASes present in the Internet Routing Table: 9709
Origin ASes announcing only one prefix: 3439
Transit ASes present in the Internet Routing Table: 1290
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 17
Illegal AS announcements present in the Routing Table: 17
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: 1196700186
Equivalent to 71 /8s, 84 /16s and 50 /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: 69416
Prefixes being announced from the ARIN address blocks: 46988
ARIN Region origin ASes present in the Internet Routing Table: 5907
ARIN Region origin ASes announcing only one prefix: 1712
ARIN Region transit ASes present in the Internet Routing Table: 621
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 173035215
Equivalent to 10 /8s, 80 /16s and 78 /24s
Percentage of available ARIN address space announced: 79.3
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 - 20479
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 2608 3548 UUNET Technologies, Inc.
1 1022 4628 BBN Planet
7018 902 3023 AT&T
1239 694 1636 Sprint ICM-Inria
7046 694 521 UUNET Technologies, Inc.
2914 637 1289 Verio, Inc.
174 618 2823 PSINet Inc.
2548 611 551 Digital Express Group, Inc.
705 561 36 UUNET Technologies, Inc.
3561 560 1283 Cable & Wireless USA
2551 552 345 NETCOM On-Line Communication
3549 512 436 Frontier GlobalCenter
8013 506 64 PSINet Ltd. Canada
3908 447 281 Supernet, Inc.
209 431 569 Qwest
3602 430 79 Sprint Canada
4293 427 55 Cable & Wireless USA
271 424 271 BCnet Backbone
6082 392 64 Management Analysis, Incorpor
8151 351 184 UniNet S.A. de C.V.
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2608 3548 UUNET Technologies, Inc.
1221 2367 1189 Telstra
1 1022 4628 BBN Planet
7018 902 3023 AT&T
1239 694 1636 Sprint ICM-Inria
7046 694 521 UUNET Technologies, Inc.
2914 637 1289 Verio, Inc.
174 618 2823 PSINet Inc.
2548 611 551 Digital Express Group, Inc.
705 561 36 UUNET Technologies, Inc.
3561 560 1283 Cable & Wireless USA
2551 552 345 NETCOM On-Line Communication
3549 512 436 Frontier GlobalCenter
8013 506 64 PSINet Ltd. Canada
3908 447 281 Supernet, Inc.
2764 435 123 connect.com.au pty ltd
209 431 569 Qwest
3602 430 79 Sprint Canada
4293 427 55 Cable & Wireless USA
271 424 271 BCnet Backbone
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
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 1800 SPRINT
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 1800 SPRINT
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
65160 PRIVATE 193.150.192.0/18 6830 chello broadband
65010 PRIVATE 195.98.237.0/24 2200 INRIA-Rocquencourt
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
65103 PRIVATE 204.29.186.0/23 6992 Netscape Communicati
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
65160 PRIVATE 213.200.128.0/18 6830 chello broadband
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
91.16.23.0/24 11770 Net56
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:4 /10:5 /11:10 /12:31
/13:59 /14:194 /15:305 /16:6777 /17:1010 /18:2027
/19:6263 /20:4434 /21:4318 /22:6450 /23:8419 /24:58056
/25:291 /26:411 /27:244 /28:182 /29:154 /30:275
/31:1 /32:220
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:2 12:306 15:1 24:640 26:1 32:29
38:8 44:2 53:2 55:1 57:9 61:61
62:102 63:1559 64:1177 65:24 66:78 91:1
128:28 129:190 130:20 131:31 132:9 133:4
134:94 135:7 136:121 137:78 138:190 139:68
140:289 141:19 142:61 143:36 144:123 145:11
146:135 147:89 148:119 149:109 150:22 151:330
152:963 153:118 154:58 155:71 156:14 157:102
158:57 159:52 160:18 161:57 162:63 163:122
164:112 165:98 166:175 167:77 168:71 169:31
170:193 171:2 192:5403 193:1808 194:1982 195:818
196:394 198:3757 199:3396 200:1737 202:2469 203:5216
204:3538 205:2488 206:2825 207:3003 208:2846 209:3438
210:378 211:131 212:760 213:293 214:8 215:11
216:2629 217:88
End of report
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