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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 19 Apr, 2018
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 695262 Prefixes after maximum aggregation (per Origin AS): 268294 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 334569 Total ASes present in the Internet Routing Table: 60449 Prefixes per ASN: 11.50 Origin-only ASes present in the Internet Routing Table: 52222 Origin ASes announcing only one prefix: 22854 Transit ASes present in the Internet Routing Table: 8227 Transit-only ASes present in the Internet Routing Table: 267 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 34 Max AS path prepend of ASN ( 30873) 32 Prefixes from unregistered ASNs in the Routing Table: 50 Number of instances of unregistered ASNs: 50 Number of 32-bit ASNs allocated by the RIRs: 22244 Number of 32-bit ASNs visible in the Routing Table: 17904 Prefixes from 32-bit ASNs in the Routing Table: 74545 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 351 Number of addresses announced to Internet: 2863112962 Equivalent to 170 /8s, 167 /16s and 163 /24s Percentage of available address space announced: 77.3 Percentage of allocated address space announced: 77.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.9 Total number of prefixes smaller than registry allocations: 231365
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 190467 Total APNIC prefixes after maximum aggregation: 54032 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 189383 Unique aggregates announced from the APNIC address blocks: 77248 APNIC Region origin ASes present in the Internet Routing Table: 8726 APNIC Prefixes per ASN: 21.70 APNIC Region origin ASes announcing only one prefix: 2432 APNIC Region transit ASes present in the Internet Routing Table: 1304 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3686 Number of APNIC addresses announced to Internet: 767498754 Equivalent to 45 /8s, 191 /16s and 26 /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: 206588 Total ARIN prefixes after maximum aggregation: 98960 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 207085 Unique aggregates announced from the ARIN address blocks: 97809 ARIN Region origin ASes present in the Internet Routing Table: 18151 ARIN Prefixes per ASN: 11.41 ARIN Region origin ASes announcing only one prefix: 6710 ARIN Region transit ASes present in the Internet Routing Table: 1793 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2341 Number of ARIN addresses announced to Internet: 1108887456 Equivalent to 66 /8s, 24 /16s and 71 /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: 189512 Total RIPE prefixes after maximum aggregation: 91465 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 185897 Unique aggregates announced from the RIPE address blocks: 110696 RIPE Region origin ASes present in the Internet Routing Table: 25115 RIPE Prefixes per ASN: 7.40 RIPE Region origin ASes announcing only one prefix: 11406 RIPE Region transit ASes present in the Internet Routing Table: 3495 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6905 Number of RIPE addresses announced to Internet: 715665792 Equivalent to 42 /8s, 168 /16s and 49 /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: 89878 Total LACNIC prefixes after maximum aggregation: 19748 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 91257 Unique aggregates announced from the LACNIC address blocks: 40869 LACNIC Region origin ASes present in the Internet Routing Table: 7027 LACNIC Prefixes per ASN: 12.99 LACNIC Region origin ASes announcing only one prefix: 1929 LACNIC Region transit ASes present in the Internet Routing Table: 1305 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4564 Number of LACNIC addresses announced to Internet: 172718560 Equivalent to 10 /8s, 75 /16s and 121 /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: 18765 Total AfriNIC prefixes after maximum aggregation: 4043 AfriNIC Deaggregation factor: 4.64 Prefixes being announced from the AfriNIC address blocks: 21289 Unique aggregates announced from the AfriNIC address blocks: 7639 AfriNIC Region origin ASes present in the Internet Routing Table: 1135 AfriNIC Prefixes per ASN: 18.76 AfriNIC Region origin ASes announcing only one prefix: 376 AfriNIC Region transit ASes present in the Internet Routing Table: 231 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 408 Number of AfriNIC addresses announced to Internet: 97929984 Equivalent to 5 /8s, 214 /16s and 75 /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 5407 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4381 415 430 TPG-INTERNET-AP TPG Telecom Limited, AU 4766 2891 11133 787 KIXS-AS-KR Korea Telecom, KR 9829 2816 1499 545 BSNL-NIB National Internet Backbone, IN 7552 2727 1155 69 VIETEL-AS-AP Viettel Group, VN 9394 2643 4923 27 CTTNET China TieTong Telecommunications 45899 2579 1574 161 VNPT-AS-VN VNPT Corp, VN 17974 2337 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo 9808 2186 8699 32 CMNET-GD Guangdong Mobile Communication 4755 2094 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 3377 1323 85 SHAW - Shaw Communications Inc., CA 22773 3289 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US 20115 2092 2489 452 CHARTER-NET-HKY-NC - Charter Communicat 16509 2054 4413 636 AMAZON-02 - Amazon.com, Inc., US 30036 1957 339 189 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 1934 5071 608 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 11492 1807 228 547 CABLEONE - CABLE ONE, INC., US 16625 1756 859 1253 AKAMAI-AS - Akamai Technologies, Inc., 7018 1698 20212 1255 ATT-INTERNET4 - AT&T Services, Inc., US
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 4066 1512 490 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 20940 2673 733 1964 AKAMAI-ASN1, US 8551 2133 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2031 1859 702 ROSTELECOM-AS, RU 34984 1977 333 490 TELLCOM-AS, TR 9121 1975 1692 19 TTNET, TR 13188 1608 100 47 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 4443 3387 591 Uninet S.A. de C.V., MX 10620 3592 543 231 Telmex Colombia S.A., CO 11830 2642 369 86 Instituto Costarricense de Electricidad 6503 1626 437 53 Axtel, S.A.B. de C.V., MX 7303 1515 1024 192 Telecom Argentina S.A., AR 28573 1034 2255 176 CLARO S.A., BR 3816 1006 505 122 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1005 377 31 Telefonica del Peru S.A.A., PE 11172 928 126 85 Alestra, S. de R.L. de C.V., MX 18881 908 1074 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 1178 396 45 LINKdotNET-AS, EG 37611 828 107 9 Afrihost, ZA 36903 741 372 137 MT-MPLS, MA 36992 677 1412 41 ETISALAT-MISR, EG 24835 638 850 15 RAYA-AS, EG 8452 637 1730 18 TE-AS TE-AS, EG 29571 472 68 12 ORANGE-COTE-IVOIRE, CI 37492 451 376 81 ORANGE-, TN 15399 365 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 5407 4192 74 ERX-CERNET-BKB China Education and Rese 8151 4443 3387 591 Uninet S.A. de C.V., MX 7545 4381 415 430 TPG-INTERNET-AP TPG Telecom Limited, AU 12479 4066 1512 490 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 10620 3592 543 231 Telmex Colombia S.A., CO 6327 3377 1323 85 SHAW - Shaw Communications Inc., CA 22773 3289 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 4766 2891 11133 787 KIXS-AS-KR Korea Telecom, KR 9829 2816 1499 545 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 7545 4381 3951 TPG-INTERNET-AP TPG Telecom Limited, AU 8151 4443 3852 Uninet S.A. de C.V., MX 39891 3778 3758 ALJAWWALSTC-AS, SA 12479 4066 3576 UNI2-AS, ES 10620 3592 3361 Telmex Colombia S.A., CO 6327 3377 3292 SHAW - Shaw Communications Inc., CA 22773 3289 3139 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 2727 2658 VIETEL-AS-AP Viettel Group, VN 9394 2643 2616 CTTNET China TieTong Telecommunications Corpora 11830 2642 2556 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 64514 PRIVATE 5.42.231.0/24 35753 ITC ITC AS number, SA 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 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 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
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 14.192.48.0/24 327815 XNET, NA 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 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 /8:15 /9:12 /10:37 /11:100 /12:288 /13:565 /14:1097 /15:1902 /16:13407 /17:7839 /18:13659 /19:25212 /20:39361 /21:45269 /22:86398 /23:70131 /24:387730 /25:848 /26:604 /27:659 /28:35 /29:20 /30:17 /31:4 /32:53
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6327 3165 3377 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 12479 2804 4066 UNI2-AS, ES 22773 2542 3289 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US 11830 1990 2642 Instituto Costarricense de Electricidad y Telec 30036 1708 1957 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 10620 1604 3592 Telmex Colombia S.A., CO 8551 1596 2133 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 1558 1807 CABLEONE - CABLE ONE, INC., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1590 2:831 4:19 5:2866 6:59 7:1 8:1120 12:1872 13:183 14:1740 15:30 16:3 17:202 18:68 20:47 21:3 23:2581 24:2153 25:2 27:2273 31:1965 32:88 35:27 36:510 37:2732 38:1449 39:255 40:119 41:3084 42:574 43:1942 44:105 45:4149 46:3063 47:204 49:1322 50:1049 51:304 52:991 54:372 55:5 56:12 57:42 58:1540 59:998 60:431 61:2148 62:1816 63:1804 64:4760 65:2220 66:4584 67:2366 68:1143 69:3192 70:1146 71:561 72:2095 74:2716 75:411 76:430 77:1546 78:1701 79:1923 80:1483 81:1433 82:1080 83:775 84:1040 85:2051 86:580 87:1312 88:936 89:2319 90:208 91:6321 92:1171 93:2387 94:2367 95:2804 96:661 97:357 98:946 99:133 100:81 101:1277 102:40 103:17486 104:3303 105:230 106:660 107:1769 108:712 109:2703 110:1598 111:1774 112:1276 113:1337 114:1122 115:1640 116:1645 117:1715 118:2154 119:1668 120:966 121:1056 122:2449 123:1806 124:1453 125:1891 128:993 129:645 130:450 131:1578 132:672 133:196 134:1018 135:226 136:386 137:498 138:1933 139:594 140:425 141:693 142:803 143:981 144:809 145:457 146:1173 147:766 148:1588 149:707 150:737 151:1046 152:763 153:311 154:1034 155:756 156:871 157:785 158:638 159:1669 160:935 161:752 162:2586 163:531 164:1057 165:1550 166:427 167:1409 168:3075 169:808 170:3694 171:429 172:1039 173:1960 174:883 175:751 176:1856 177:3998 178:2430 179:1231 180:2250 181:2203 182:2392 183:1138 184:919 185:13310 186:3618 187:2376 188:2778 189:2026 190:8104 191:1450 192:9834 193:5883 194:4777 195:3948 196:2511 197:1436 198:5551 199:5881 200:7388 201:5018 202:10409 203:10187 204:4533 205:2877 206:3069 207:3198 208:3977 209:3933 210:4041 211:2112 212:3009 213:2721 214:950 215:62 216:5855 217:2137 218:906 219:619 220:1752 221:995 222:1039 223:1244
End of report
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