This is an auto-generated mail on Wed Jan 25 21:10:00 MET 1995 As stated above this is auto-generated so it is not checked before it leaves my workstation. This is a list of the "Top 20" players who if CIDRizing at the AS level could make a significant gain in the size of Internet routing tables. This may be an over-estimation but it is hoped that this can act as an incentive for the "Top 20" and others to look at their CIDR capability. This report is available as: ftp://ftp.ripe.net/cidr/stats/Top-20.25Jan95 The current (and of course this one today) report is always accessible as: ftp://ftp.ripe.net/cidr/stats/Top-20 A full summary of all the ASes seen in the Internet can be seen by looking in: ftp://ftp.ripe.net/cidr/stats/AS* Please also find a summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does some indication of ASes participating in CIDR. More information can be found in: ftp://ftp.ripe.net/cidr/stats/Delta.* Also, for a short time this gives details of any possibly interesting aggregates currently seen in the routing. Interesting here means not a aggregate made as a set of classful routes. This a daily snapshot of changes in classfull routes being withdrawn and added. the deltas are calculated over a rolling 7 day period. Please bear in mind this is purely a "snapshot" and a large flucuation could be caused by a connectivity problem for example. However, this does give some indication of service providers that are moving to classless routing. Top 20 Withdrawn Routes from 18Jan95 to 25Jan95 -70 AS1334 NSFNETTEST39-AS -59 AS2605 CESNET backbone B - EMPB -46 AS1740 CERFNET -45 AS1902 CESNET backbone A - EBONE -38 AS668 ASN-ASNET-NET-AS -20 AS2149 PSINET-2 -16 AS701 ALTERNET-AS -13 AS297 NSN-UMD-AS -7 AS2651 CDAGOVN -6 AS4174 CONNECT-COM -5 AS2513 JNIC-ASN -4 AS2504 JNIC-ASN -3 AS2277 ECUANET -2 AS2108 Croatian Academic and Research Ne -1 AS1103 SURFnet IP Top 20 Added Routes from 18Jan95 to 25Jan95 38 AS2899 WN-ID 34 AS22 NOSC 31 AS174 NYSERNET-AS 25 AS2901 WN-NM 23 AS200 BARRNET-AS 19 AS1822 NEARNET-1 17 AS2493 FONOROLA-EAST 16 AS1662 ANS-BLK1 14 AS1225 CICNET3-AS 13 AS279 SURANET-AS-2 11 AS549 ONET-AS 9 AS2607 Slovak technical university 8 AS271 BCNET-AS 7 AS175 AFWL-AS 6 AS2704 HOOKUP-NET-A 5 AS3111 DIRECT 4 AS1967 TR-NET 3 AS1327 NSFNETTEST32-AS 2 AS3720 TIMS-AS 1 AS2914 LITTLE-GARDEN List of possibly interesting aggregates --------------------------------------- aggregate origin-AS AS Description 128.138.213.0/24 AS3908 WNBLK-AS 131.119.246.0/24 AS200 BARRNET-AS 138.108.70.0/23 AS1849 PIPEX, Public IP EXchange 138.108.72.0/21 AS1849 PIPEX, Public IP EXchange 138.108.80.0/20 AS1849 PIPEX, Public IP EXchange 138.108.96.0/22 AS1849 PIPEX, Public IP EXchange 144.223.240.0/26 AS1793 SPRINTLINK5 148.252.1.0/24 AS1849 PIPEX, Public IP EXchange 157.166.145.0/24 AS1686 ANS-BLK1 157.166.228.0/24 AS1686 ANS-BLK1 157.166.229.0/24 AS1686 ANS-BLK1 157.166.230.0/24 AS1686 ANS-BLK1 157.166.235.0/24 AS1686 ANS-BLK1 157.166.238.0/24 AS1686 ANS-BLK1 170.91.1.0/24 AS3734 SJEN 170.91.2.0/24 AS3734 SJEN 170.91.3.0/24 AS3734 SJEN 170.91.4.0/24 AS3734 SJEN 170.91.8.0/24 AS3734 SJEN 170.91.10.16/28 AS3734 SJEN 170.91.10.32/28 AS3734 SJEN 170.91.10.49/32 AS3734 SJEN 170.91.10.50/32 AS3734 SJEN 170.91.10.65/32 AS3734 SJEN 170.91.10.66/32 AS3734 SJEN 170.91.10.81/32 AS3734 SJEN 170.91.10.82/32 AS3734 SJEN 170.91.10.97/32 AS3734 SJEN 170.91.10.98/32 AS3734 SJEN 170.91.10.113/32 AS3734 SJEN 170.91.10.114/32 AS3734 SJEN 193.107.196.0/25 AS1899 Fnet, EUnet-France 193.107.196.128/25 AS1899 Fnet, EUnet-France 193.107.199.32/27 AS1899 Fnet, EUnet-France 193.107.199.96/27 AS1899 Fnet, EUnet-France 193.232.88.16/28 AS2854 RoSprint AS 193.233.1.4/30 AS2895 FREEnet Autonomous System 193.233.1.8/30 AS2895 FREEnet Autonomous System 198.133.25.64/26 AS2685 IBM-MMD-AS 198.133.25.128/26 AS2685 IBM-MMD-AS 199.203.4.16/28 AS1680 ANS-BLK1 199.203.4.32/28 AS1680 ANS-BLK1 199.203.4.48/28 AS1680 ANS-BLK1 199.203.4.64/28 AS1680 ANS-BLK1 204.88.159.32/27 AS3734 SJEN Here follows the last weeks "Top 20" list with the corresponding date. --- 25Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1845 867 978 53.0% ALTERNET-AS AS2149 1448 1019 429 29.6% PSINET-2 AS174 1094 803 291 26.6% NYSERNET-AS AS560 777 496 281 36.2% NEARNET-EXT-AS AS97 583 365 218 37.4% JVNC-AS AS2493 388 182 206 53.1% FONOROLA-EAST AS279 582 427 155 26.6% SURANET-AS-2 AS86 528 388 140 26.5% SURANET-AS AS1982 277 153 124 44.8% ASN-NWNEXUS AS271 266 143 123 46.2% BCNET-AS AS1257 287 188 99 34.5% SWIPnet Swedish IP Network AS2150 165 78 87 52.7% CSUNET-SW AS807 160 79 81 50.6% CANET-ASN AS568 499 421 78 15.6% SUMNET-AS AS549 291 213 78 26.8% ONET-AS AS542 144 70 74 51.4% ARNET AS376 145 71 74 51.0% RISQ-AS AS200 374 303 71 19.0% BARRNET-AS AS137 187 116 71 38.0% GARR AS1270 185 114 71 38.4% EUnet/DE --- 24Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1850 865 985 53.2% ALTERNET-AS AS2149 1402 1008 394 28.1% PSINET-2 AS174 1037 761 276 26.6% NYSERNET-AS AS560 771 497 274 35.5% NEARNET-EXT-AS AS97 585 357 228 39.0% JVNC-AS AS2493 380 175 205 53.9% FONOROLA-EAST AS279 574 414 160 27.9% SURANET-AS-2 AS86 536 395 141 26.3% SURANET-AS AS1982 276 152 124 44.9% ASN-NWNEXUS AS271 266 143 123 46.2% BCNET-AS AS1257 287 188 99 34.5% SWIPnet Swedish IP Network AS1955 194 103 91 46.9% HUNGARNET AS2150 165 78 87 52.7% CSUNET-SW AS807 160 79 81 50.6% CANET-ASN AS568 499 422 77 15.4% SUMNET-AS AS549 289 212 77 26.6% ONET-AS AS542 143 69 74 51.7% ARNET AS376 145 71 74 51.0% RISQ-AS AS1740 365 292 73 20.0% CERFNET AS200 373 301 72 19.3% BARRNET-AS --- 23Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1847 867 980 53.1% ALTERNET-AS AS2149 1414 1013 401 28.4% PSINET-2 AS560 773 495 278 36.0% NEARNET-EXT-AS AS174 1041 765 276 26.5% NYSERNET-AS AS97 582 356 226 38.8% JVNC-AS AS2493 340 158 182 53.5% FONOROLA-EAST AS279 572 414 158 27.6% SURANET-AS-2 AS86 535 395 140 26.2% SURANET-AS AS1982 281 155 126 44.8% ASN-NWNEXUS AS271 266 143 123 46.2% BCNET-AS AS1257 287 188 99 34.5% SWIPnet Swedish IP Network AS1955 188 100 88 46.8% HUNGARNET AS2150 165 78 87 52.7% CSUNET-SW AS807 157 78 79 50.3% CANET-ASN AS549 291 214 77 26.5% ONET-AS AS568 495 419 76 15.4% SUMNET-AS AS1740 363 287 76 20.9% CERFNET AS542 143 69 74 51.7% ARNET AS376 145 71 74 51.0% RISQ-AS AS200 375 302 73 19.5% BARRNET-AS --- 22Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1847 867 980 53.1% ALTERNET-AS AS2149 1399 1013 386 27.6% PSINET-2 AS560 774 496 278 35.9% NEARNET-EXT-AS AS174 1035 763 272 26.3% NYSERNET-AS AS2493 377 173 204 54.1% FONOROLA-EAST AS97 560 365 195 34.8% JVNC-AS AS279 570 412 158 27.7% SURANET-AS-2 AS86 536 396 140 26.1% SURANET-AS AS1982 280 154 126 45.0% ASN-NWNEXUS AS271 266 143 123 46.2% BCNET-AS AS1257 287 188 99 34.5% SWIPnet Swedish IP Network AS1955 193 102 91 47.2% HUNGARNET AS2150 165 78 87 52.7% CSUNET-SW AS807 154 77 77 50.0% CANET-ASN AS549 291 214 77 26.5% ONET-AS AS568 498 422 76 15.3% SUMNET-AS AS1740 360 285 75 20.8% CERFNET AS542 143 69 74 51.7% ARNET AS376 145 71 74 51.0% RISQ-AS AS200 373 302 71 19.0% BARRNET-AS --- 21Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1847 867 980 53.1% ALTERNET-AS AS2149 1418 1018 400 28.2% PSINET-2 AS174 1083 791 292 27.0% NYSERNET-AS AS560 774 496 278 35.9% NEARNET-EXT-AS AS2493 375 174 201 53.6% FONOROLA-EAST AS97 555 356 199 35.9% JVNC-AS AS279 573 414 159 27.7% SURANET-AS-2 AS86 534 395 139 26.0% SURANET-AS AS1982 281 155 126 44.8% ASN-NWNEXUS AS271 266 143 123 46.2% BCNET-AS AS1257 287 188 99 34.5% SWIPnet Swedish IP Network AS1955 193 102 91 47.2% HUNGARNET AS2150 165 78 87 52.7% CSUNET-SW AS807 157 78 79 50.3% CANET-ASN AS568 501 422 79 15.8% SUMNET-AS AS549 291 214 77 26.5% ONET-AS AS1740 362 287 75 20.7% CERFNET AS542 143 69 74 51.7% ARNET AS376 145 71 74 51.0% RISQ-AS AS1270 182 111 71 39.0% EUnet/DE --- 20Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1844 866 978 53.0% ALTERNET-AS AS2149 1442 1005 437 30.3% PSINET-2 AS174 1052 754 298 28.3% NYSERNET-AS AS560 767 494 273 35.6% NEARNET-EXT-AS AS97 578 359 219 37.9% JVNC-AS AS2493 372 171 201 54.0% FONOROLA-EAST AS279 574 411 163 28.4% SURANET-AS-2 AS86 530 389 141 26.6% SURANET-AS AS1982 281 155 126 44.8% ASN-NWNEXUS AS271 259 139 120 46.3% BCNET-AS AS1257 288 189 99 34.4% SWIPnet Swedish IP Network AS1955 189 100 89 47.1% HUNGARNET AS2150 158 73 85 53.8% CSUNET-SW AS807 154 75 79 51.3% CANET-ASN AS568 500 421 79 15.8% SUMNET-AS AS549 284 209 75 26.4% ONET-AS AS1740 356 281 75 21.1% CERFNET AS542 141 67 74 52.5% ARNET AS376 144 70 74 51.4% RISQ-AS AS137 189 118 71 37.6% GARR --- 19Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1858 870 988 53.2% ALTERNET-AS AS174 1507 1064 443 29.4% NYSERNET-AS AS560 764 491 273 35.7% NEARNET-EXT-AS AS97 587 359 228 38.8% JVNC-AS AS2493 370 170 200 54.1% FONOROLA-EAST AS279 573 416 157 27.4% SURANET-AS-2 AS86 537 395 142 26.4% SURANET-AS AS1982 280 155 125 44.6% ASN-NWNEXUS AS271 259 139 120 46.3% BCNET-AS AS1257 289 193 96 33.2% SWIPnet Swedish IP Network AS1955 187 98 89 47.6% HUNGARNET AS2150 162 75 87 53.7% CSUNET-SW AS568 507 426 81 16.0% SUMNET-AS AS807 150 75 75 50.0% CANET-ASN AS376 146 71 75 51.4% RISQ-AS AS549 283 209 74 26.1% ONET-AS AS542 141 67 74 52.5% ARNET AS1740 353 281 72 20.4% CERFNET AS137 193 121 72 37.3% GARR AS1270 182 111 71 39.0% EUnet/DE --- 18Jan95 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1861 870 991 53.3% ALTERNET-AS AS2149 1468 1030 438 29.8% PSINET-2 AS174 1063 775 288 27.1% NYSERNET-AS AS560 764 490 274 35.9% NEARNET-EXT-AS AS97 578 361 217 37.5% JVNC-AS AS2493 371 171 200 53.9% FONOROLA-EAST AS279 569 411 158 27.8% SURANET-AS-2 AS86 527 387 140 26.6% SURANET-AS AS1982 280 155 125 44.6% ASN-NWNEXUS AS271 258 138 120 46.5% BCNET-AS AS1257 287 193 94 32.8% SWIPnet Swedish IP Network AS2150 162 75 87 53.7% CSUNET-SW AS807 151 72 79 52.3% CANET-ASN AS568 492 417 75 15.2% SUMNET-AS AS376 146 71 75 51.4% RISQ-AS AS1740 396 321 75 18.9% CERFNET AS542 141 67 74 52.5% ARNET AS549 280 207 73 26.1% ONET-AS AS137 193 121 72 37.3% GARR AS1270 184 113 71 38.6% EUnet/DE