The algorithm used in this report proposes aggregation only when there is a precise match using
AS path so as to preserve traffic transit policies. Aggregation is not
proposed across non-advertised address space ('holes').
--- 06Jan09 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283867 176383 107484 37.9% All ASes
AS6389 4381 356 4025 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4202 1723 2479 59.0% TWTC - tw telecom holdings, inc.
AS209 2843 1266 1577 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1756 493 1263 71.9% KIXS-AS-KR Korea Telecom
AS17488 1478 344 1134 76.7% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 719 986 57.8% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1179 216 963 81.7% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 998 65 933 93.5% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1402 532 870 62.1% Uninet S.A. de C.V.
AS11492 1231 463 768 62.4% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1584 905 679 42.9% INS-AS - AT&T Data Communications Services
AS6478 1295 634 661 51.0% ATT-INTERNET3 - AT&T WorldNet Services
AS18101 780 138 642 82.3% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1107 468 639 57.7% LEVEL3 Level 3 Communications
AS18566 1060 501 559 52.7% COVAD - Covad Communications Co.
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 679 172 507 74.7% TPG-INTERNET-AP TPG Internet Pty Ltd
AS17908 597 122 475 79.6% TCISL Tata Communications
AS4808 623 156 467 75.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 133 460 77.6% CANET-ASN-4 - Bell Aliant
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS7018 1424 986 438 30.8% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS20115 1852 1426 426 23.0% CHARTER-NET-HKY-NC - Charter Communications
AS9443 502 80 422 84.1% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS24560 667 246 421 63.1% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
AS7011 936 540 396 42.3% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc.
Total 39038 13895 25143 64.4% Top 30 total
--- 05Jan09 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283854 176295 107559 37.9% All ASes
AS6389 4381 356 4025 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4202 1723 2479 59.0% TWTC - tw telecom holdings, inc.
AS209 2842 1265 1577 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1756 493 1263 71.9% KIXS-AS-KR Korea Telecom
AS17488 1478 344 1134 76.7% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 720 985 57.8% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1177 214 963 81.8% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 994 62 932 93.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1402 532 870 62.1% Uninet S.A. de C.V.
AS11492 1231 462 769 62.5% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1581 901 680 43.0% INS-AS - AT&T Data Communications Services
AS6478 1295 630 665 51.4% ATT-INTERNET3 - AT&T WorldNet Services
AS18101 781 138 643 82.3% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1107 468 639 57.7% LEVEL3 Level 3 Communications
AS18566 1060 501 559 52.7% COVAD - Covad Communications Co.
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 680 171 509 74.9% TPG-INTERNET-AP TPG Internet Pty Ltd
AS17908 597 122 475 79.6% TCISL Tata Communications
AS4808 623 156 467 75.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 133 460 77.6% CANET-ASN-4 - Bell Aliant
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS7018 1424 986 438 30.8% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS20115 1852 1426 426 23.0% CHARTER-NET-HKY-NC - Charter Communications
AS9443 502 80 422 84.1% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS24560 665 244 421 63.3% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
AS7011 936 540 396 42.3% FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc.
Total 39028 13878 25150 64.4% Top 30 total
--- 04Jan09 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283618 175635 107983 38.1% All ASes
AS6389 4381 357 4024 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4201 1718 2483 59.1% TWTC - tw telecom holdings, inc.
AS209 2844 1267 1577 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1754 492 1262 71.9% KIXS-AS-KR Korea Telecom
AS17488 1478 332 1146 77.5% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 720 985 57.8% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1183 218 965 81.6% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 994 62 932 93.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1402 532 870 62.1% Uninet S.A. de C.V.
AS11492 1231 462 769 62.5% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1581 901 680 43.0% INS-AS - AT&T Data Communications Services
AS18101 780 138 642 82.3% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1110 470 640 57.7% LEVEL3 Level 3 Communications
AS18566 1060 516 544 51.3% COVAD - Covad Communications Co.
AS9583 901 375 526 58.4% SIFY-AS-IN Sify Limited
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 679 170 509 75.0% TPG-INTERNET-AP TPG Internet Pty Ltd
AS17908 597 122 475 79.6% TCISL Tata Communications
AS4808 623 156 467 75.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 133 460 77.6% CANET-ASN-4 - Bell Aliant
AS6478 1036 577 459 44.3% ATT-INTERNET3 - AT&T WorldNet Services
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS9443 523 82 441 84.3% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS7018 1424 986 438 30.8% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS24560 665 233 432 65.0% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS20115 1850 1424 426 23.0% CHARTER-NET-HKY-NC - Charter Communications
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
Total 38759 13654 25105 64.8% Top 30 total
--- 03Jan09 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283669 175700 107969 38.1% All ASes
AS6389 4381 357 4024 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4200 1717 2483 59.1% TWTC - tw telecom holdings, inc.
AS209 2845 1267 1578 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1754 492 1262 71.9% KIXS-AS-KR Korea Telecom
AS17488 1478 332 1146 77.5% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 720 985 57.8% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1182 217 965 81.6% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 994 62 932 93.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1402 529 873 62.3% Uninet S.A. de C.V.
AS11492 1231 462 769 62.5% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1581 901 680 43.0% INS-AS - AT&T Data Communications Services
AS18101 780 138 642 82.3% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1110 470 640 57.7% LEVEL3 Level 3 Communications
AS18566 1060 516 544 51.3% COVAD - Covad Communications Co.
AS9583 902 372 530 58.8% SIFY-AS-IN Sify Limited
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 679 170 509 75.0% TPG-INTERNET-AP TPG Internet Pty Ltd
AS17908 597 122 475 79.6% TCISL Tata Communications
AS4808 623 156 467 75.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 133 460 77.6% CANET-ASN-4 - Bell Aliant
AS6478 1036 577 459 44.3% ATT-INTERNET3 - AT&T WorldNet Services
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS9443 523 82 441 84.3% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS7018 1424 986 438 30.8% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS24560 664 233 431 64.9% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS20115 1850 1424 426 23.0% CHARTER-NET-HKY-NC - Charter Communications
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
Total 38758 13646 25112 64.8% Top 30 total
--- 02Jan09 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283601 175637 107964 38.1% All ASes
AS6389 4382 357 4025 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4198 1715 2483 59.1% TWTC - tw telecom holdings, inc.
AS209 2845 1266 1579 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1754 492 1262 71.9% KIXS-AS-KR Korea Telecom
AS17488 1477 337 1140 77.2% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 719 986 57.8% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1184 215 969 81.8% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 994 62 932 93.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1400 535 865 61.8% Uninet S.A. de C.V.
AS11492 1231 462 769 62.5% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1581 901 680 43.0% INS-AS - AT&T Data Communications Services
AS18101 782 139 643 82.2% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1110 470 640 57.7% LEVEL3 Level 3 Communications
AS18566 1060 516 544 51.3% COVAD - Covad Communications Co.
AS9583 901 369 532 59.0% SIFY-AS-IN Sify Limited
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 679 170 509 75.0% TPG-INTERNET-AP TPG Internet Pty Ltd
AS4808 623 156 467 75.0% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 129 464 78.2% CANET-ASN-4 - Bell Aliant
AS17908 591 130 461 78.0% TCISL Tata Communications
AS6478 1032 574 458 44.4% ATT-INTERNET3 - AT&T WorldNet Services
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS9443 523 82 441 84.3% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS7018 1425 987 438 30.7% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS20115 1850 1422 428 23.1% CHARTER-NET-HKY-NC - Charter Communications
AS24560 661 233 428 64.8% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
Total 38745 13649 25096 64.8% Top 30 total
--- 01Jan09 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283622 175623 107999 38.1% All ASes
AS6389 4381 357 4024 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4198 1713 2485 59.2% TWTC - tw telecom holdings, inc.
AS209 2845 1266 1579 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1754 492 1262 71.9% KIXS-AS-KR Korea Telecom
AS17488 1477 362 1115 75.5% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 719 986 57.8% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1185 212 973 82.1% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 994 62 932 93.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1401 535 866 61.8% Uninet S.A. de C.V.
AS11492 1231 462 769 62.5% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1581 901 680 43.0% INS-AS - AT&T Data Communications Services
AS18101 782 139 643 82.2% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1110 470 640 57.7% LEVEL3 Level 3 Communications
AS18566 1060 516 544 51.3% COVAD - Covad Communications Co.
AS9583 901 372 529 58.7% SIFY-AS-IN Sify Limited
AS2706 543 21 522 96.1% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 679 170 509 75.0% TPG-INTERNET-AP TPG Internet Pty Ltd
AS4808 622 156 466 74.9% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 129 464 78.2% CANET-ASN-4 - Bell Aliant
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS6478 1028 571 457 44.5% ATT-INTERNET3 - AT&T WorldNet Services
AS9443 523 82 441 84.3% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS7018 1425 987 438 30.7% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS17908 590 159 431 73.1% TCISL Tata Communications
AS20115 1850 1422 428 23.1% CHARTER-NET-HKY-NC - Charter Communications
AS24560 657 233 424 64.5% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
Total 38734 13696 25038 64.6% Top 30 total
--- 31Dec08 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 283833 175829 108004 38.1% All ASes
AS6389 4382 357 4025 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4198 1715 2483 59.1% TWTC - tw telecom holdings, inc.
AS209 2846 1265 1581 55.6% ASN-QWEST - Qwest Communications Corporation
AS4766 1753 492 1261 71.9% KIXS-AS-KR Korea Telecom
AS17488 1459 344 1115 76.4% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 705 1000 58.7% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1184 211 973 82.2% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 994 62 932 93.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1400 535 865 61.8% Uninet S.A. de C.V.
AS11492 1230 462 768 62.4% CABLEONE - CABLE ONE, INC.
AS19262 943 254 689 73.1% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1583 903 680 43.0% INS-AS - AT&T Data Communications Services
AS18101 782 139 643 82.2% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS3356 1110 470 640 57.7% LEVEL3 Level 3 Communications
AS18566 1060 516 544 51.3% COVAD - Covad Communications Co.
AS9583 900 362 538 59.8% SIFY-AS-IN Sify Limited
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 678 170 508 74.9% TPG-INTERNET-AP TPG Internet Pty Ltd
AS4808 622 156 466 74.9% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 129 464 78.2% CANET-ASN-4 - Bell Aliant
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS6478 1027 570 457 44.5% ATT-INTERNET3 - AT&T WorldNet Services
AS9443 523 82 441 84.3% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS7018 1427 988 439 30.8% ATT-INTERNET4 - AT&T WorldNet Services
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 896 465 431 48.1% CHINANET-BACKBONE No.31,Jin-rong Street
AS17908 590 159 431 73.1% TCISL Tata Communications
AS20115 1850 1422 428 23.1% CHARTER-NET-HKY-NC - Charter Communications
AS24560 657 234 423 64.4% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
Total 38717 13659 25058 64.7% Top 30 total
--- 30Dec08 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 284232 175982 108250 38.1% All ASes
AS6389 4382 357 4025 91.9% BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS4323 4199 1716 2483 59.1% TWTC - tw telecom holdings, inc.
AS209 2848 1267 1581 55.5% ASN-QWEST - Qwest Communications Corporation
AS4766 1753 491 1262 72.0% KIXS-AS-KR Korea Telecom
AS17488 1477 347 1130 76.5% HATHWAY-NET-AP Hathway IP Over Cable Internet
AS1785 1705 707 998 58.5% AS-PAETEC-NET - PaeTec Communications, Inc.
AS4755 1185 201 984 83.0% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
AS22773 992 60 932 94.0% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
AS8151 1403 549 854 60.9% Uninet S.A. de C.V.
AS11492 1230 445 785 63.8% CABLEONE - CABLE ONE, INC.
AS19262 942 258 684 72.6% VZGNI-TRANSIT - Verizon Internet Services Inc.
AS2386 1584 902 682 43.1% INS-AS - AT&T Data Communications Services
AS3356 1111 471 640 57.6% LEVEL3 Level 3 Communications
AS18101 781 221 560 71.7% RIL-IDC Reliance Infocom Ltd Internet Data Centre,
AS18566 1060 516 544 51.3% COVAD - Covad Communications Co.
AS9583 903 368 535 59.2% SIFY-AS-IN Sify Limited
AS6478 1267 739 528 41.7% ATT-INTERNET3 - AT&T WorldNet Services
AS2706 545 23 522 95.8% HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
AS7545 677 170 507 74.9% TPG-INTERNET-AP TPG Internet Pty Ltd
AS4808 622 156 466 74.9% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
AS855 593 129 464 78.2% CANET-ASN-4 - Bell Aliant
AS17676 522 64 458 87.7% GIGAINFRA BB TECHNOLOGY Corp.
AS9443 523 82 441 84.3% INTERNETPRIMUS-AS-AP Primus Telecommunications
AS22047 565 127 438 77.5% VTR BANDA ANCHA S.A.
AS4134 894 465 429 48.0% CHINANET-BACKBONE No.31,Jin-rong Street
AS7018 1420 997 423 29.8% ATT-INTERNET4 - AT&T WorldNet Services
AS24560 650 230 420 64.6% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services
AS4668 693 278 415 59.9% LGNET-AS-KR LG CNS
AS20115 1850 1438 412 22.3% CHARTER-NET-HKY-NC - Charter Communications
AS17908 587 187 400 68.1% TCISL Tata Communications
Total 38963 13961 25002 64.2% Top 30 total