ARIN Region Weekly Routing Report
Routing Analysis
cscora at dev.apnic.net
Thu Jan 11 13:07:35 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 12 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 99712
Origin ASes present in the Internet Routing Table: 9621
Origin ASes announcing only one prefix: 3385
Transit ASes present in the Internet Routing Table: 1264
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: 19
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: 1227454848
Equivalent to 73 /8s, 41 /16s and 121 /24s
Percentage of available address space announced: 33.1
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 51.0
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 69251
Prefixes being announced from the ARIN address blocks: 46781
ARIN Region origin ASes present in the Internet Routing Table: 5855
ARIN Region origin ASes announcing only one prefix: 1672
ARIN Region transit ASes present in the Internet Routing Table: 599
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 189443261
Equivalent to 11 /8s, 74 /16s and 172 /24s
Percentage of available ARIN address space announced: 86.9
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 2610 3547 UUNET Technologies, Inc.
1 1017 4595 BBN Planet
7018 897 3029 AT&T
1239 699 1645 Sprint ICM-Inria
8013 699 70 PSINet Ltd. Canada
7046 691 521 UUNET Technologies, Inc.
2914 640 1291 Verio, Inc.
174 616 2807 PSINet Inc.
2548 615 566 Digital Express Group, Inc.
705 576 36 UUNET Technologies, Inc.
3561 573 1293 Cable & Wireless USA
2551 555 347 NETCOM On-Line Communication
6082 543 66 Management Analysis, Incorpor
3549 511 435 Frontier GlobalCenter
3908 452 281 Supernet, Inc.
3602 434 79 Sprint Canada
209 431 569 Qwest
4293 430 55 Cable & Wireless USA
271 423 271 BCnet Backbone
690 365 37 Merit Network
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
701 2610 3547 UUNET Technologies, Inc.
1221 2302 1189 Telstra
1 1017 4595 BBN Planet
7018 897 3029 AT&T
1239 699 1645 Sprint ICM-Inria
8013 699 70 PSINet Ltd. Canada
7046 691 521 UUNET Technologies, Inc.
2914 640 1291 Verio, Inc.
174 616 2807 PSINet Inc.
2548 615 566 Digital Express Group, Inc.
705 576 36 UUNET Technologies, Inc.
3561 573 1293 Cable & Wireless USA
2551 555 347 NETCOM On-Line Communication
6082 543 66 Management Analysis, Incorpor
3549 511 435 Frontier GlobalCenter
3908 452 281 Supernet, Inc.
2764 439 128 connect.com.au pty ltd
3602 434 79 Sprint Canada
209 431 569 Qwest
4293 430 55 Cable & Wireless USA
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,
65500 PRIVATE 203.166.86.0/24 10084 Western Australian I
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
65003 PRIVATE 207.167.70.0/24 7837 zNET
65003 PRIVATE 207.167.76.0/24 7837 zNET
65003 PRIVATE 207.167.96.0/23 7837 zNET
65003 PRIVATE 216.9.32.0/21 7837 zNET
65003 PRIVATE 216.9.33.0/24 7837 zNET
65003 PRIVATE 216.9.36.0/24 7837 zNET
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 /8:23 /9:4 /10:5 /11:10 /12:31
/13:59 /14:192 /15:302 /16:6758 /17:1015 /18:2002
/19:6251 /20:4392 /21:4294 /22:6423 /23:8368 /24:57983
/25:298 /26:471 /27:155 /28:121 /29:123 /30:280
/31:0 /32:152
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:2 12:307 15:1 20:1 24:641 26:1
32:7 38:9 44:2 53:2 55:1 57:9
61:62 62:104 63:1532 64:1123 65:20 66:54
91:1 128:32 129:189 130:19 131:31 132:9
133:3 134:94 135:7 136:122 137:78 138:189
139:55 140:292 141:19 142:51 143:35 144:95
145:14 146:129 147:89 148:118 149:105 150:22
151:333 152:995 153:120 154:237 155:61 156:14
157:103 158:55 159:46 160:18 161:54 162:63
163:124 164:111 165:97 166:175 167:74 168:72
169:30 170:187 171:2 192:5366 193:1817 194:1993
195:817 196:354 198:3758 199:3429 200:1749 202:2481
203:5172 204:3536 205:2515 206:2849 207:2955 208:2839
209:3407 210:372 211:121 212:763 213:319 214:8
215:11 216:2622 217:83
End of report
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