This is an auto-generated mail on Wed Dec 28 21:10:01 MET 1994 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-20.28Dec94 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seen by looking in: ftp://ftp.ripe.net/cidr/stats/AS* Please also find a summary of the last weeks changes in terms of withdrawn and added routes.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 This a daily snapshot of changes in classfull routes being withdrawn and added.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 Top 20 Withdrawn Routes from 21Dec94 to 28Dec94 -41 AS2149 PSINET-2 -36 AS2150 CSUNET-SW -35 AS209 WESTNET-EAST -26 AS1970 TAMUS-NET -24 AS1225 CICNET3-AS -23 AS1740 CERFNET -20 AS1902 CESNET backbone A - EBONE -19 AS97 JVNC-AS -17 AS2572 MORENET -15 AS2707 WEC -13 AS2563 KREN-GATEWAY -12 AS1237 EUNSOL-AS -11 AS1257 SWIPnet Swedish IP Network -10 AS174 NYSERNET-AS -7 AS3354 THENET-AS-1 -5 AS2895 FREEnet -4 AS2860 INESC Autonomous System -3 AS3407 INTERPATH-NC -2 AS685 NWNET-AS -1 AS766 RedIRIS Autonomous System Top 20 Added Routes from 21Dec94 to 28Dec94 302 AS568 SUMNET-AS 35 AS3909 WNBLK-AS 32 AS701 ALTERNET-AS 29 AS2699 BBN-DSI1 19 AS2381 WISCNET1-AS 15 AS378 ILAN 14 AS3404 COLORADOCOOP 10 AS2605 CESNET backbone B - EMPB 8 AS2503 JNIC-ASN 7 AS1325 NSFNETTEST30-AS 6 AS3710 REALM-AS 5 AS1239 SprintLink 4 AS1899 Fnet, EUnet-France 3 AS2277 ECUANET 2 AS22 NOSC 1 AS1901 EUnet Austria List of possibly interesting aggregates --------------------------------------- aggregate origin-AS AS Description 128.138.213.0/24 AS3908 WNBLK-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 AS1239 SprintLink 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 193.107.196.0/25 AS1899 Fnet, EUnet-France 193.107.196.128/25 AS1899 Fnet, EUnet-France 193.232.88.16/28 AS2854 RoSprint AS Here follows the last weeks "Top 20" list with the corresponding date. --- 28Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1733 813 920 53.1% ALTERNET-AS AS2149 1420 999 421 29.6% PSINET-2 AS174 1038 756 282 27.2% NYSERNET-AS AS560 746 482 264 35.4% NEARNET-EXT-AS AS97 671 424 247 36.8% JVNC-AS AS1275 399 201 198 49.6% DFN-IP AS2493 317 146 171 53.9% FONOROLA-EAST AS279 548 396 152 27.7% SURANET-AS-2 AS1270 268 116 152 56.7% EUnet/DE AS86 495 375 120 24.2% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 286 194 92 32.2% SWIPnet Swedish IP Network AS807 151 72 79 52.3% CANET-ASN AS549 273 200 73 26.7% ONET-AS AS376 139 67 72 51.8% RISQ-AS AS542 131 60 71 54.2% ARNET AS137 183 113 70 38.3% GARR AS2386 126 60 66 52.4% INS-AS AS568 457 393 64 14.0% SUMNET-AS AS1982 204 140 64 31.4% ASN-NWNEXUS --- 27Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1733 813 920 53.1% ALTERNET-AS AS2149 1410 1013 397 28.2% PSINET-2 AS560 746 482 264 35.4% NEARNET-EXT-AS AS97 678 421 257 37.9% JVNC-AS AS174 1022 765 257 25.1% NYSERNET-AS AS1275 399 201 198 49.6% DFN-IP AS2493 317 146 171 53.9% FONOROLA-EAST AS279 550 396 154 28.0% SURANET-AS-2 AS1270 269 117 152 56.5% EUnet/DE AS86 510 375 135 26.5% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 287 195 92 32.1% SWIPnet Swedish IP Network AS807 151 72 79 52.3% CANET-ASN AS1955 158 82 76 48.1% HUNGARNET AS549 274 201 73 26.6% ONET-AS AS376 139 67 72 51.8% RISQ-AS AS542 132 61 71 53.8% ARNET AS137 183 116 67 36.6% GARR AS2386 126 60 66 52.4% INS-AS AS1237 139 73 66 47.5% EUNSOL-AS --- 26Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1733 813 920 53.1% ALTERNET-AS AS2149 1400 1008 392 28.0% PSINET-2 AS560 743 479 264 35.5% NEARNET-EXT-AS AS174 996 750 246 24.7% NYSERNET-AS AS97 634 420 214 33.8% JVNC-AS AS1275 399 201 198 49.6% DFN-IP AS2493 312 144 168 53.8% FONOROLA-EAST AS279 549 394 155 28.2% SURANET-AS-2 AS1270 269 117 152 56.5% EUnet/DE AS86 510 377 133 26.1% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 287 195 92 32.1% SWIPnet Swedish IP Network AS807 151 72 79 52.3% CANET-ASN AS1955 158 82 76 48.1% HUNGARNET AS549 274 201 73 26.6% ONET-AS AS376 139 67 72 51.8% RISQ-AS AS542 132 61 71 53.8% ARNET AS137 183 116 67 36.6% GARR AS2386 126 60 66 52.4% INS-AS AS1237 139 73 66 47.5% EUNSOL-AS --- 25Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1733 813 920 53.1% ALTERNET-AS AS2149 1405 1013 392 27.9% PSINET-2 AS560 734 474 260 35.4% NEARNET-EXT-AS AS174 1000 758 242 24.2% NYSERNET-AS AS97 613 400 213 34.7% JVNC-AS AS1275 399 201 198 49.6% DFN-IP AS2493 316 145 171 54.1% FONOROLA-EAST AS279 551 395 156 28.3% SURANET-AS-2 AS1270 269 117 152 56.5% EUnet/DE AS86 510 377 133 26.1% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 287 195 92 32.1% SWIPnet Swedish IP Network AS807 151 72 79 52.3% CANET-ASN AS1955 158 83 75 47.5% HUNGARNET AS549 274 201 73 26.6% ONET-AS AS2150 137 64 73 53.3% CSUNET-SW AS376 139 67 72 51.8% RISQ-AS AS542 132 61 71 53.8% ARNET AS137 183 116 67 36.6% GARR AS2386 126 60 66 52.4% INS-AS --- 24Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1733 813 920 53.1% ALTERNET-AS AS2149 1424 1022 402 28.2% PSINET-2 AS560 736 476 260 35.3% NEARNET-EXT-AS AS174 1017 762 255 25.1% NYSERNET-AS AS97 653 422 231 35.4% JVNC-AS AS1275 399 201 198 49.6% DFN-IP AS2493 316 145 171 54.1% FONOROLA-EAST AS279 551 396 155 28.1% SURANET-AS-2 AS1270 269 117 152 56.5% EUnet/DE AS86 509 377 132 25.9% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 287 195 92 32.1% SWIPnet Swedish IP Network AS807 151 72 79 52.3% CANET-ASN AS1955 159 83 76 47.8% HUNGARNET AS2150 139 65 74 53.2% CSUNET-SW AS549 274 201 73 26.6% ONET-AS AS376 139 67 72 51.8% RISQ-AS AS542 132 61 71 53.8% ARNET AS137 183 116 67 36.6% GARR AS2386 126 60 66 52.4% INS-AS --- 23Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1733 816 917 52.9% ALTERNET-AS AS2149 1445 1023 422 29.2% PSINET-2 AS560 736 479 257 34.9% NEARNET-EXT-AS AS174 1022 766 256 25.0% NYSERNET-AS AS97 622 392 230 37.0% JVNC-AS AS1275 399 201 198 49.6% DFN-IP AS2493 312 143 169 54.2% FONOROLA-EAST AS279 550 397 153 27.8% SURANET-AS-2 AS1270 269 117 152 56.5% EUnet/DE AS86 510 375 135 26.5% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 286 194 92 32.2% SWIPnet Swedish IP Network AS807 150 72 78 52.0% CANET-ASN AS1955 159 82 77 48.4% HUNGARNET AS549 277 203 74 26.7% ONET-AS AS2150 138 64 74 53.6% CSUNET-SW AS376 139 67 72 51.8% RISQ-AS AS542 132 61 71 53.8% ARNET AS137 191 120 71 37.2% GARR AS2386 126 60 66 52.4% INS-AS --- 22Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1723 811 912 52.9% ALTERNET-AS AS2149 1443 1015 428 29.7% PSINET-2 AS560 746 482 264 35.4% NEARNET-EXT-AS AS174 1022 760 262 25.6% NYSERNET-AS AS97 683 431 252 36.9% JVNC-AS AS1275 399 201 198 49.6% DFN-IP AS2493 312 143 169 54.2% FONOROLA-EAST AS279 547 395 152 27.8% SURANET-AS-2 AS1270 269 117 152 56.5% EUnet/DE AS86 511 376 135 26.4% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 287 192 95 33.1% SWIPnet Swedish IP Network AS2150 157 76 81 51.6% CSUNET-SW AS807 150 72 78 52.0% CANET-ASN AS1955 158 81 77 48.7% HUNGARNET AS549 278 204 74 26.6% ONET-AS AS376 139 67 72 51.8% RISQ-AS AS2386 126 60 66 52.4% INS-AS AS1237 134 70 64 47.8% EUNSOL-AS AS1982 202 140 62 30.7% ASN-NWNEXUS --- 21Dec94 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS701 1701 806 895 52.6% ALTERNET-AS AS2149 1461 1016 445 30.5% PSINET-2 AS174 1048 768 280 26.7% NYSERNET-AS AS97 690 431 259 37.5% JVNC-AS AS560 742 483 259 34.9% NEARNET-EXT-AS AS1275 399 201 198 49.6% DFN-IP AS2493 312 143 169 54.2% FONOROLA-EAST AS1270 269 117 152 56.5% EUnet/DE AS279 542 391 151 27.9% SURANET-AS-2 AS86 499 366 133 26.7% SURANET-AS AS271 254 135 119 46.9% BCNET-AS AS1257 297 199 98 33.0% SWIPnet Swedish IP Network AS2150 157 76 81 51.6% CSUNET-SW AS807 150 72 78 52.0% CANET-ASN AS1955 156 80 76 48.7% HUNGARNET AS549 276 202 74 26.8% ONET-AS AS376 139 67 72 51.8% RISQ-AS AS542 133 62 71 53.4% ARNET AS137 186 119 67 36.0% GARR AS2386 125 59 66 52.8% INS-AS