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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 21 Mar, 2018
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 690890 Prefixes after maximum aggregation (per Origin AS): 267763 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 332809 Total ASes present in the Internet Routing Table: 60201 Prefixes per ASN: 11.48 Origin-only ASes present in the Internet Routing Table: 52008 Origin ASes announcing only one prefix: 22805 Transit ASes present in the Internet Routing Table: 8193 Transit-only ASes present in the Internet Routing Table: 262 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 37 Max AS path prepend of ASN ( 30873) 32 Prefixes from unregistered ASNs in the Routing Table: 42 Number of instances of unregistered ASNs: 42 Number of 32-bit ASNs allocated by the RIRs: 21865 Number of 32-bit ASNs visible in the Routing Table: 17626 Prefixes from 32-bit ASNs in the Routing Table: 73187 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 336 Number of addresses announced to Internet: 2855836898 Equivalent to 170 /8s, 56 /16s and 156 /24s Percentage of available address space announced: 77.1 Percentage of allocated address space announced: 77.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.8 Total number of prefixes smaller than registry allocations: 229820
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 189871 Total APNIC prefixes after maximum aggregation: 54322 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 188785 Unique aggregates announced from the APNIC address blocks: 77054 APNIC Region origin ASes present in the Internet Routing Table: 8722 APNIC Prefixes per ASN: 21.64 APNIC Region origin ASes announcing only one prefix: 2460 APNIC Region transit ASes present in the Internet Routing Table: 1286 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3638 Number of APNIC addresses announced to Internet: 767138914 Equivalent to 45 /8s, 185 /16s and 156 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-137529 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 206025 Total ARIN prefixes after maximum aggregation: 98588 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 206775 Unique aggregates announced from the ARIN address blocks: 97841 ARIN Region origin ASes present in the Internet Routing Table: 18115 ARIN Prefixes per ASN: 11.41 ARIN Region origin ASes announcing only one prefix: 6714 ARIN Region transit ASes present in the Internet Routing Table: 1807 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2326 Number of ARIN addresses announced to Internet: 1104173664 Equivalent to 65 /8s, 208 /16s and 90 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-397212 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 187443 Total RIPE prefixes after maximum aggregation: 91213 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 183704 Unique aggregates announced from the RIPE address blocks: 109930 RIPE Region origin ASes present in the Internet Routing Table: 25024 RIPE Prefixes per ASN: 7.34 RIPE Region origin ASes announcing only one prefix: 11373 RIPE Region transit ASes present in the Internet Routing Table: 3488 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6801 Number of RIPE addresses announced to Internet: 715438208 Equivalent to 42 /8s, 164 /16s and 184 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-207259 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 89052 Total LACNIC prefixes after maximum aggregation: 19594 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 90425 Unique aggregates announced from the LACNIC address blocks: 40188 LACNIC Region origin ASes present in the Internet Routing Table: 6926 LACNIC Prefixes per ASN: 13.06 LACNIC Region origin ASes announcing only one prefix: 1885 LACNIC Region transit ASes present in the Internet Routing Table: 1288 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4461 Number of LACNIC addresses announced to Internet: 172448672 Equivalent to 10 /8s, 71 /16s and 91 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 18455 Total AfriNIC prefixes after maximum aggregation: 4007 AfriNIC Deaggregation factor: 4.61 Prefixes being announced from the AfriNIC address blocks: 20865 Unique aggregates announced from the AfriNIC address blocks: 7529 AfriNIC Region origin ASes present in the Internet Routing Table: 1127 AfriNIC Prefixes per ASN: 18.51 AfriNIC Region origin ASes announcing only one prefix: 372 AfriNIC Region transit ASes present in the Internet Routing Table: 229 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 400 Number of AfriNIC addresses announced to Internet: 96221696 Equivalent to 5 /8s, 188 /16s and 58 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 5422 4192 74 ERX-CERNET-BKB China Education and Rese 7545 3917 406 402 TPG-INTERNET-AP TPG Telecom Limited, AU 4766 2868 11133 776 KIXS-AS-KR Korea Telecom, KR 9829 2806 1499 541 BSNL-NIB National Internet Backbone, IN 7552 2697 1161 58 VIETEL-AS-AP Viettel Group, VN 9394 2637 4923 29 CTTNET China TieTong Telecommunications 45899 2550 1561 164 VNPT-AS-VN VNPT Corp, VN 17974 2319 930 80 TELKOMNET-AS2-AP PT Telekomunikasi Indo 9808 2179 8699 32 CMNET-GD Guangdong Mobile Communication 4755 2085 417 215 TATACOMM-AS TATA Communications formerl
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6327 3362 1323 86 SHAW - Shaw Communications Inc., CA 22773 3282 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US 20115 2096 2484 436 CHARTER-NET-HKY-NC - Charter Communicat 16509 2048 4374 618 AMAZON-02 - Amazon.com, Inc., US 30036 1945 340 185 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 1940 5071 621 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 6389 1776 3671 36 BELLSOUTH-NET-BLK - BellSouth.net Inc., 11492 1757 227 560 CABLEONE - CABLE ONE, INC., US 16625 1693 824 1210 AKAMAI-AS - Akamai Technologies, Inc.,
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 12479 3785 1462 709 UNI2-AS, ES 39891 3327 179 20 ALJAWWALSTC-AS, SA 20940 2757 781 2010 AKAMAI-ASN1, US 12389 2036 1864 704 ROSTELECOM-AS, RU 34984 2026 334 478 TELLCOM-AS, TR 8551 1974 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9121 1940 1692 19 TTNET, TR 13188 1606 100 46 TRIOLAN, UA 6849 1241 355 21 UKRTELNET, UA 8402 1236 544 14 CORBINA-AS OJSC "Vimpelcom", RU
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 4319 3384 583 Uninet S.A. de C.V., MX 10620 3597 540 259 Telmex Colombia S.A., CO 11830 2638 370 66 Instituto Costarricense de Electricidad 6503 1608 437 53 Axtel, S.A.B. de C.V., MX 7303 1506 1022 191 Telecom Argentina S.A., AR 28573 1026 2250 185 CLARO S.A., BR 6147 1019 377 27 Telefonica del Peru S.A.A., PE 3816 1006 506 120 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 927 126 83 Alestra, S. de R.L. de C.V., MX 18881 907 1072 29 TELEFÔNICA BRASIL S.A, BR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 1163 398 50 LINKdotNET-AS, EG 37611 815 91 8 Afrihost, ZA 36903 741 372 137 MT-MPLS, MA 36992 677 1396 39 ETISALAT-MISR, EG 8452 630 1730 18 TE-AS TE-AS, EG 24835 602 850 15 RAYA-AS, EG 29571 466 68 12 ORANGE-COTE-IVOIRE, CI 37492 450 376 81 ORANGE-, TN 15399 362 35 7 WANANCHI-, KE 37342 361 32 1 MOVITEL, MZ
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 5422 4192 74 ERX-CERNET-BKB China Education and Rese 8151 4319 3384 583 Uninet S.A. de C.V., MX 7545 3917 406 402 TPG-INTERNET-AP TPG Telecom Limited, AU 12479 3785 1462 709 UNI2-AS, ES 10620 3597 540 259 Telmex Colombia S.A., CO 6327 3362 1323 86 SHAW - Shaw Communications Inc., CA 39891 3327 179 20 ALJAWWALSTC-AS, SA 22773 3282 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 4766 2868 11133 776 KIXS-AS-KR Korea Telecom, KR 9829 2806 1499 541 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 8151 4319 3736 Uninet S.A. de C.V., MX 7545 3917 3515 TPG-INTERNET-AP TPG Telecom Limited, AU 10620 3597 3338 Telmex Colombia S.A., CO 39891 3327 3307 ALJAWWALSTC-AS, SA 6327 3362 3276 SHAW - Shaw Communications Inc., CA 22773 3282 3133 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 12479 3785 3076 UNI2-AS, ES 7552 2697 2639 VIETEL-AS-AP Viettel Group, VN 9394 2637 2608 CTTNET China TieTong Telecommunications Corpora 11830 2638 2572 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW 65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb 419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T 65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU 64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati 100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM 100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 14.128.14.0/23 10247 NETLINE, ZA 14.192.50.0/23 10247 NETLINE, ZA 14.192.58.0/23 10247 NETLINE, ZA 27.100.7.0/24 56096 UNKNOWN 36.255.250.0/23 10247 NETLINE, ZA 37.44.224.0/20 48666 AS-MAROSNET Moscow, Russia, RU 41.76.136.0/22 37500 -Reserved AS-, ZZ 41.76.136.0/24 37500 -Reserved AS-, ZZ 41.76.138.0/24 37500 -Reserved AS-, ZZ 41.76.139.0/24 37500 -Reserved AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:37 /11:100 /12:289 /13:563 /14:1094 /15:1900 /16:13326 /17:7833 /18:13620 /19:25100 /20:39214 /21:45176 /22:85633 /23:69273 /24:385482 /25:836 /26:601 /27:657 /28:33 /29:20 /30:17 /31:4 /32:57
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6327 3153 3362 SHAW - Shaw Communications Inc., CA 39891 2754 3327 ALJAWWALSTC-AS, SA 12479 2563 3785 UNI2-AS, ES 22773 2537 3282 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US 11830 1985 2638 Instituto Costarricense de Electricidad y Telec 30036 1696 1945 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 10620 1601 3597 Telmex Colombia S.A., CO 11492 1535 1757 CABLEONE - CABLE ONE, INC., US 8551 1437 1974 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1573 2:834 4:19 5:2807 6:59 7:1 8:1114 9:1 12:1881 13:203 14:1738 15:27 16:3 17:192 18:68 20:47 21:3 23:2552 24:2155 25:2 27:2270 31:1949 32:89 35:27 36:512 37:2753 38:1455 39:247 40:98 41:2983 42:594 43:1943 44:101 45:3950 46:3043 47:199 49:1355 50:1051 51:48 52:990 54:358 55:4 56:10 57:42 58:1547 59:1021 60:427 61:2134 62:1812 63:1799 64:4721 65:2218 66:4607 67:2367 68:1172 69:3205 70:1182 71:558 72:2110 74:2720 75:412 76:427 77:1552 78:1724 79:1739 80:1483 81:1438 82:1079 83:777 84:1022 85:2074 86:577 87:1292 88:928 89:2323 90:200 91:6297 92:1170 93:2372 94:2386 95:2738 96:659 97:356 98:929 99:128 100:79 101:1375 102:31 103:17359 104:3301 105:223 106:589 107:1792 108:709 109:2721 110:1575 111:1772 112:1319 113:1347 114:1115 115:1650 116:1644 117:1716 118:2153 119:1679 120:969 121:1060 122:2459 123:1818 124:1455 125:1892 128:998 129:624 130:437 131:1585 132:667 133:195 134:993 135:226 136:451 137:495 138:1943 139:576 140:413 141:694 142:792 143:964 144:804 145:452 146:1158 147:748 148:1546 149:709 150:741 151:981 152:759 153:310 154:1007 155:762 156:838 157:780 158:626 159:1642 160:909 161:723 162:2580 163:524 164:1031 165:1405 166:413 167:1394 168:3050 169:811 170:3712 171:425 172:1061 173:1952 174:878 175:767 176:1749 177:3952 178:2423 179:1200 180:2241 181:2175 182:2459 183:1132 184:914 185:12960 186:3576 187:2316 188:2736 189:2001 190:8130 191:1414 192:9790 193:5900 194:4793 195:3965 196:2476 197:1437 198:5525 199:5901 200:7393 201:4996 202:10424 203:10175 204:4541 205:2848 206:3074 207:3201 208:3991 209:3937 210:4035 211:2118 212:3015 213:2709 214:909 215:59 216:5842 217:2154 218:899 219:621 220:1721 221:996 222:1040 223:1234
End of report
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