Aggregation
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To: RIPE Operational Contacts <>
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From: Daniel Karrenberg <>
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Date: Sat, 16 Apr 1994 14:20:57 +0200
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Cc: Reseaux IP Europeens <>
Dear operations people!
As you should know, the Internet is suffering from routing table
explosion and it is only a questin of time until major routers which
need a full routing table run out of resources. It is necessary to
start aggregation *now*!
Based on the current full routing table we compute the possible
gain if aggregation is done at the AS level. This computation
assumes that no holes will be created, i.e. aggregates do not
include currently unannounced networks.
All ASes should be able to achieve almost all the savings
assumed by this computation.
Please go ahead, start aggregating and remove the more specific
announcements.
This is a question of avoiding a big bang which will be desastrous
to the Internet (industry).
Think globally, act locally!
These statistics and others are computed daily and can be retrieved
from directory ftp.ripe.net:cidr/stats as long as the Internet
continues to work.
Daniel Karrenberg
ASnum NetsNow NetsCIDR NetGain % Gain Description
AS701 1204 532 672 55.8% ALTERNET-AS
AS174 1134 756 378 33.3% NYSERNET-AS
AS786 590 277 313 53.1% The JANET IP Service
AS2551 571 283 288 50.4% NETCOM-AS
AS1275 520 251 269 51.7% DFN-IP
AS372 977 717 260 26.6% NSN-AMES-AS
AS1717 747 518 229 30.7% RENATER
AS1225 538 325 213 39.6% CICNET3-AS
AS1270 386 197 189 49.0% EUnet/DE
AS517 297 143 154 51.9% XLINK-UKA
AS560 569 417 152 26.7% NEARNET-EXT-AS
AS200 525 380 145 27.6% BARRNET-AS
AS81 252 110 142 56.3% CONCERT
AS600 340 200 140 41.2% OARNET-AS
AS19 632 493 139 22.0% CSS-DOMAIN
AS271 212 95 117 55.2% BCNET-AS
AS1849 296 180 116 39.2% PIPEX, Public IP EXchange
AS279 434 320 114 26.3% SURANET-AS-2
AS209 452 345 107 23.7% WESTNET-EAST
AS2150 153 73 80 52.3% CSUNET-SW
AS685 253 174 79 31.2% NWNET-AS
AS97 288 210 78 27.1% JVNC-AS
AS1250 158 81 77 48.7% SINGAPORE-AS
AS114 385 309 76 19.7% SESQUINET-AS
AS1239 293 218 75 25.6% SprintLink
AS137 193 122 71 36.8% GARR
AS1213 87 22 65 74.7% HEAnet autonomous system
AS2907 166 103 63 38.0% SINET-AS
AS1955 108 47 61 56.5% Computer and Automation Institute
AS766 129 71 58 45.0% RedIRIS Autonomous System
AS1290 167 109 58 34.7% EUNet GB
AS93 209 152 57 27.3% MIDNET-AS
AS1887 105 49 56 53.3% NASK Polish Research and Academic
AS86 366 312 54 14.8% SURANET-AS
AS1329 80 31 49 61.3% NSFNETTEST34-AS
AS204 246 199 47 19.1% PSCNET-AS
AS210 195 149 46 23.6% WESTNET-WEST
AS1740 314 270 44 14.0% CERFNET
AS376 72 35 37 51.4% RISQ-AS
AS813 116 82 34 29.3% CANET-ASN
AS555 80 46 34 42.5% MSCNET-AS
AS297 160 126 34 21.2% NSN-UMD-AS
AS1237 67 33 34 50.7% EUNSOL-AS
AS237 143 110 33 23.1% NSFNETTEST14-AS
AS2044 72 40 32 44.4% WORLDNET-AS
AS2116 71 40 31 43.7% EUnet Norway
AS1891 51 21 30 58.8% EUnet Belgium AS
AS2109 66 37 29 43.9% DKnet, EUnet Denmark
AS1836 106 77 29 27.4% EUnet/CH Autonomous System
AS719 83 56 27 32.5% LANLINK autonomous system
AS559 92 65 27 29.3% SWITCH, Swiss Academic and Resear
AS1257 134 107 27 20.1% SWIPnet Swedish IP Network
AS2548 72 46 26 36.1% DIGEX-AS
AS378 72 47 25 34.7% ILAN
AS1204 62 37 25 40.3% SUNYNET-ASN-AS
AS2917 37 14 23 62.2% oleANe, Groupe APYSOFT
AS2118 75 52 23 30.7% RIPE-ASNBLOCK2
AS1899 126 103 23 18.3% Fnet, EUnet-France
AS2119 56 34 22 39.3% TelePost IP net
AS1890 60 38 22 36.7% NLnet Autonomous System
AS2493 55 34 21 38.2% FONOROLA-EAST
AS1902 75 54 21 28.0% CESNET backbone A - EBONE
AS1901 77 57 20 26.0% EUnet Austria
AS1267 83 63 20 24.1% I2U Autonomous System
AS1251 81 61 20 24.7% ANBR-AS
AS1241 47 27 20 42.6% FORTHnet Greek IP Service Provide
AS2018 87 68 19 21.8% UNINET-ZA
AS591 62 44 18 29.0% NSTN-AS
AS549 138 120 18 13.0% ONET-AS
AS267 112 94 18 16.1% CICNET2-AS
AS2905 46 30 16 34.8% TICSA-ASN
AS568 142 127 15 10.6% SUMNET-AS
AS2895 31 16 15 48.4% FREEnet
AS2380 33 18 15 45.5% ESTNET Autonomous System
AS790 48 34 14 29.2% EUnet Finland
AS2497 62 49 13 21.0% JNIC-ASN
AS2699 60 48 12 20.0% BBN-DSI1
AS2865 24 13 11 45.8% NATVERK-C, UDAC
AS1759 37 26 11 29.7% The DataNet IP Service
AS1331 36 25 11 30.6% NSFNETTEST36-AS
AS1323 56 45 11 19.6% NSFNETTEST28-AS
AS542 43 33 10 23.3% ARNET
AS2568 27 17 10 37.0% CTSNET
AS2386 31 21 10 32.3% INS-AS
AS1741 52 42 10 19.2% FUNET autonomous system
AS1654 22 12 10 45.5% NORDUnet Iceland, Poland and Balt
AS760 49 40 9 18.4% University of Vienna, Austria
AS2120 16 7 9 56.2% DAXnet
AS1967 27 18 9 33.3% TR-NET
AS1327 35 26 9 25.7% NSFNETTEST32-AS
AS1112 16 7 9 56.2% Montanuniversitaet Leoben, Austri
AS293 67 59 8 11.9% ESNET-WEST-AS
AS2529 26 18 8 30.8% Demon Internet Ltd
AS195 15 7 8 53.3% SDSC-AS
AS577 14 7 7 50.0% CA-NET-AS
AS2819 21 14 7 33.3% EUnet Czechia AS
AS2611 20 13 7 35.0% AS for BELNET sites connected to
AS2110 19 12 7 36.8% IEunet (EUnet/Ireland) backbone A
AS2107 24 17 7 29.2% The ARNES IP Service
AS1982 47 40 7 14.9% ASN-NWNEXUS
AS1930 56 49 7 12.5% RCCN-NET
AS1103 48 41 7 14.6% SURFnet IP
AS789 30 24 6 20.0% IN2P3
AS2902 21 15 6 28.6% WN-WY
AS2702 20 14 6 30.0% INTERSERVE
AS22 47 41 6 12.8% NOSC
AS1332 45 39 6 13.3% NSFNETTEST37-AS
AS3380 11 6 5 45.5% PPPL-AS1
AS286 20 15 5 25.0% EUnet-central AS
AS2772 15 10 5 33.3% HKIGS
AS2631 9 4 5 55.6% DISCOVERY-AS
AS2134 16 11 5 31.2% EUnet-SPAIN AS
AS2125 17 12 5 29.4% EUNET-WIN
AS2043 16 11 5 31.2% European Multiprotocol Backbone
AS1205 14 9 5 35.7% Johannes Kepler University
AS714 10 6 4 40.0% APPLE-ENGINEERING-AS
AS544 30 26 4 13.3% The DataNet IP Service
AS2915 33 29 4 12.1% SPIN-NET
AS2765 18 14 4 22.2% CONNECTED
AS2637 18 14 4 22.2% GEORGIA-TECH
AS1752 18 14 4 22.2% BT main internal data network
AS1705 15 11 4 26.7% GM-INDY-NET
AS1662 15 11 4 26.7% ANS-BLK1
AS1274 15 11 4 26.7% GMD
AS800 15 12 3 20.0% NLNET-AS
AS684 22 19 3 13.6% MBNET-AS
AS2822 5 2 3 60.0% INNET BVBA
AS2607 13 10 3 23.1% Slovak technical university
AS2604 4 1 3 75.0% HS fuer Musik und darstellende Ku
AS2572 24 21 3 12.5% MORENET
AS2277 25 22 3 12.0% ECUANET
AS2111 21 18 3 14.3% AS for BELNET sites connected to
AS1853 7 4 3 42.9% ACOnet Backbone
AS1803 4 1 3 75.0% ICMNET-5
AS175 16 13 3 18.8% AFWL-AS
AS164 29 26 3 10.3% DDN-MB-AS
AS1333 15 12 3 20.0% NSFNETTEST38-AS
AS1326 15 12 3 20.0% NSFNETTEST31-AS
AS1312 23 20 3 13.0% VA-TECH-AS
AS1115 5 2 3 60.0% Austrian Academy of Sciences
AS803 25 23 2 8.0% SASK-NET-AS
AS35 15 13 2 13.3% MICATON
AS3407 15 13 2 13.3% INTERPATH-NC
AS3113 6 4 2 33.3% DOC-ESA-ASN
AS2836 22 20 2 9.1% SUNET-STHLM
AS278 17 15 2 11.8% RAM-AS
AS1755 9 7 2 22.2% EBONE AS
AS1729 42 40 2 4.8% TIPnet - Unidata IP services
AS1328 31 29 2 6.5% NSFNETTEST33-AS
AS1324 26 24 2 7.7% NSFNETTEST29-AS
AS1321 12 10 2 16.7% NSFNETTEST26-AS
AS698 7 6 1 14.3% ASN-UIUC-REGION-AS
AS691 7 6 1 14.3% PEINET-AS
AS679 8 7 1 12.5% Technical University Vienna LAN
AS611 4 3 1 25.0% CANET11-AS
AS513 14 13 1 7.1% CERN/HEPNET
AS3463 12 11 1 8.3% ACES-AS
AS3381 4 3 1 25.0% MHPCC-AS
AS3133 3 2 1 33.3% DHHS-NET-ASN
AS3110 3 2 1 33.3% HOLONET
AS3058 4 3 1 25.0% EMNET
AS2933 7 6 1 14.3% REALTIME
AS2927 4 3 1 25.0% ZONE-NET1
AS2878 3 2 1 33.3% M-VOLGA
AS2871 5 4 1 20.0% MAZ/CLS
AS2715 16 15 1 6.2% REDERIO-AS
AS2709 3 2 1 33.3% AOS-AS
AS2704 5 4 1 20.0% HOOKUP-NET-A
AS2683 7 6 1 14.3% RADIO-MSU Network
AS2609 5 4 1 20.0% ASNBLK-RIPE
AS2602 11 10 1 9.1% RESTENA
AS2578 7 6 1 14.3% RELCOM-DEMOS
AS233 9 8 1 11.1% NSFNETTEST10-AS
AS2149 8 7 1 12.5% PSINET-2
AS2148 4 3 1 25.0% ITEP-MOSCOW Autonomous system
AS2136 9 8 1 11.1% PCC-TECHNO-AS
AS2131 4 3 1 25.0% Goedel School Ges.m.b.H.
AS2048 29 28 1 3.4% LANET-1
AS2012 14 13 1 7.1% UNINET1
AS2002 5 4 1 20.0% IBM-PV-AS
AS194 5 4 1 20.0% USAN-AS
AS1835 6 5 1 16.7% DENet - Danish Network for Resear
AS1776 3 2 1 33.3% ASN-WU-WIEN
AS17 7 6 1 14.3% PURDUE-CS
AS1294 8 7 1 12.5% PS-NETPLEX-AS
AS1238 6 5 1 16.7% ICM-MALAYSIA
AS1234 3 2 1 33.3% IVOWAN-AS
AS1133 2 1 1 50.0% DANTE/CERN T1
AS109 13 12 1 7.7% CISCOSYSTEMS
AS807 10 10 0 0.0% CANET-ASN
AS8 2 2 0 0.0% RICE-AS
AS771 20 20 0 0.0% NSN-RICE-AS
AS73 5 5 0 0.0% WASHINGTON-AS
AS690 2 2 0 0.0% NSFNET-T3-RT-AS
AS683 8 8 0 0.0% ARGONNE-AS
AS68 12 12 0 0.0% LANL-INET-AS
AS565 1 1 0 0.0% VTTNET-AS
AS558 3 3 0 0.0% OLIVETTI-AS1
AS545 1 1 0 0.0% NRI
AS543 1 1 0 0.0% CONVEX
AS46 3 3 0 0.0% RUTGERS
AS45 8 8 0 0.0% LLL-TIS-AS
AS43 1 1 0 0.0% BNL-AS
AS38 3 3 0 0.0% UIUC
AS377 4 4 0 0.0% SNLA-NET-AS
AS3492 1 1 0 0.0% ATLANTA
AS3490 1 1 0 0.0% CDINET
AS3462 1 1 0 0.0% HINET-AS
AS3461 1 1 0 0.0% GONZAGA-ASN
AS3447 2 2 0 0.0% CENTEL-CMDS
AS3428 5 5 0 0.0% ESNET-AS
AS3425 1 1 0 0.0% ESNET-AS
AS3404 19 19 0 0.0% COLORADOCOOP
AS3403 10 10 0 0.0% TIAC
AS3397 1 1 0 0.0% EMI-AS
AS3394 1 1 0 0.0% ELPRESS-AS
AS3365 3 3 0 0.0% MCSNET
AS3364 1 1 0 0.0% CSDCO-AS
AS3358 3 3 0 0.0% UCIA-AS
AS3354 1 1 0 0.0% THENET-AS-1
AS33 1 1 0 0.0% DEC-WRL-AS
AS3208 3 3 0 0.0% ARN Network
AS3152 1 1 0 0.0% FERMILAB
AS3150 1 1 0 0.0% CLARKNET
AS3142 3 3 0 0.0% DORSAI
AS3139 1 1 0 0.0% ASEE
AS3134 2 2 0 0.0% USAID-ASN
AS3132 1 1 0 0.0% RCP-AS
AS3130 1 1 0 0.0% RAIN-ASN
AS3127 1 1 0 0.0% CAPRICA-AS
AS3114 1 1 0 0.0% DOJ-CRT-ASN
AS3111 4 4 0 0.0% DIRECT
AS3 3 3 0 0.0% MIT-GATEWAYS
AS292 5 5 0 0.0% ESNET-CENTRAL-AS
AS2900 4 4 0 0.0% WN-AZ
AS288 1 1 0 0.0% ESA-AS
AS2876 2 2 0 0.0% The Electronic Conferencing Compa
AS2873 3 3 0 0.0% Genesis Project Internet Service
AS2861 2 2 0 0.0% SNI-ZFE-AS
AS2856 3 3 0 0.0% BT-UK-AS
AS2845 4 4 0 0.0% SUNET-LUND
AS2843 2 2 0 0.0% SUNET-LINKOPING
AS2841 4 4 0 0.0% SUNET-CTH
AS2840 4 4 0 0.0% SUNET-GBG
AS2834 3 3 0 0.0% SUNET-UPPSALA
AS2832 4 4 0 0.0% SUNET-UMEA
AS2831 2 2 0 0.0% SUNET-LULEA
AS2828 3 3 0 0.0% INTERNEX
AS2820 3 3 0 0.0% Zelenograd Networks Community
AS2766 1 1 0 0.0% GLASNET
AS2718 1 1 0 0.0% APSCN-AR
AS2714 1 1 0 0.0% GSA_GOV
AS2707 1 1 0 0.0% WEC
AS2706 3 3 0 0.0% HKSUPER
AS266 11 11 0 0.0% CICNET1-AS
AS2649 1 1 0 0.0% NAS2-AS
AS2643 2 2 0 0.0% IHEP-SU AS
AS2614 2 2 0 0.0% PUB
AS2605 4 4 0 0.0% CESNET backbone B - EMPB
AS2603 1 1 0 0.0% NORDUnet 2Mb
AS26 5 5 0 0.0% CORNELL
AS2599 2 2 0 0.0% SOVAM Teleport
AS2598 1 1 0 0.0% CNR-INTL
AS2588 1 1 0 0.0% Institute of Mathematics and CS
AS2581 1 1 0 0.0% GAO
AS2561 2 2 0 0.0% Egyptian Networks
AS2555 4 4 0 0.0% INTER-GRP-B
AS2552 10 10 0 0.0% WUSTL-ASN
AS2546 2 2 0 0.0% Ariadne Network (NCSR Demokritos)
AS2538 1 1 0 0.0% IBM-KINGS-AS
AS2532 1 1 0 0.0% LOC
AS2494 1 1 0 0.0% AKHNET Autonomous System
AS239 6 6 0 0.0% UTORONTO-AS
AS2383 1 1 0 0.0% OTA
AS238 1 1 0 0.0% NSFNETTEST15-AS
AS2276 5 5 0 0.0% OCS-AS1
AS2274 1 1 0 0.0% CBO
AS224 21 21 0 0.0% UNINETT, The Norwegian University
AS2146 4 4 0 0.0% CRNET
AS2140 1 1 0 0.0% ISSC-AS
AS2139 1 1 0 0.0% DOW1-AS
AS2138 1 1 0 0.0% DOW2-AS
AS2135 1 1 0 0.0% EuroKom Mail Service
AS2128 1 1 0 0.0% DIT
AS2112 1 1 0 0.0% RIPE-ASNBLOCK2
AS2108 7 7 0 0.0% Croatioan Academic and Research N
AS2049 1 1 0 0.0% AVL-GRAZ
AS2047 2 2 0 0.0% KFKI-RMKI Autonomous system
AS2038 1 1 0 0.0% IT-HEP Italian Hepnet
AS2036 1 1 0 0.0% JOANNEUM RESEARCH
AS2028 1 1 0 0.0% BNR Europe
AS2020 2 2 0 0.0% HWWILSON-AS
AS2019 1 1 0 0.0% MORGAN-AS
AS2004 1 1 0 0.0% TNO-HDO
AS2003 1 1 0 0.0% EPRI-PA
AS1999 2 2 0 0.0% HOUSE-AS-1
AS1997 1 1 0 0.0% IBMDES-AS
AS1975 1 1 0 0.0% UMI-AS
AS1972 2 2 0 0.0% HPC-NET
AS1956 1 1 0 0.0% IBMEVS-AS
AS1934 1 1 0 0.0% ANS-RESTON-AS
AS1922 8 8 0 0.0% UAKOM-DAMIS
AS1889 1 1 0 0.0% Hewlett-Packard Limited,
AS1888 4 4 0 0.0% CWI-Amsterdam AS
AS1880 5 5 0 0.0% Stupi, house man's policy
AS1850 1 1 0 0.0% ISnet Autonomous system
AS1842 7 7 0 0.0% USGS-AS
AS184 18 18 0 0.0% NSFNETTEST4-AS
AS1808 3 3 0 0.0% ICMNET-10
AS1804 1 1 0 0.0% ICMNET-6
AS1800 6 6 0 0.0% ICM-Atlantic
AS1784 4 4 0 0.0% SPRINTLINK
AS1757 1 1 0 0.0% MDCI-AS
AS1754 17 17 0 0.0% DESY-HAMBURG
AS1751 1 1 0 0.0% LEXMARK-AS
AS1747 3 3 0 0.0% IBMWATSON-AS
AS1739 1 1 0 0.0% TAMNET
AS1732 2 2 0 0.0% MIKROK-AS
AS1679 1 1 0 0.0% ANS-BLK1
AS1678 1 1 0 0.0% ANS-BLK1
AS1671 1 1 0 0.0% ANS-BLK1
AS1660 2 2 0 0.0% ANS-BLK1
AS1653 3 3 0 0.0% SUNET Swedish University Network
AS1342 1 1 0 0.0% NOKIA-DATA-AS
AS1330 8 8 0 0.0% NSFNETTEST35-AS
AS1325 3 3 0 0.0% NSFNETTEST30-AS
AS1322 7 7 0 0.0% NSFNETTEST27-AS
AS1273 4 4 0 0.0% ECRC-RBS
AS1262 6 6 0 0.0% NSN-NCAR-AS-AS
AS1240 1 1 0 0.0% ICM-Pacific
AS1236 10 10 0 0.0% CONTEL-WTPAS-ASN
AS1227 11 11 0 0.0% SDSC-TEST1-AS
AS1224 1 1 0 0.0% NCSA-AS
AS1206 5 5 0 0.0% PSCNET-HS-AS
AS1134 1 1 0 0.0% PTT-Res Test
AS1128 1 1 0 0.0% EuropaNET PoP Amsterdam
AS1125 1 1 0 0.0% SURFnet Test ASN
AS1123 1 1 0 0.0% Technikum Vorarlberg
AS1117 1 1 0 0.0% Universitaet fuer Bodenkultur, Wi
AS1114 1 1 0 0.0% Graz University, Austria
AS1113 1 1 0 0.0% Technische Universitaet Graz, AT
AS1111 1 1 0 0.0% University of Klagenfurt, Austria
AS1110 1 1 0 0.0% University of Innsbruck, Austria
AS1109 1 1 0 0.0% AS Universitaet Salzburg
AS1104 6 6 0 0.0% NIKHEF-H
Total 20202 13516 6686 33.1%
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