IPv4 R&E Routing Table Report 23:05 GMT Tue 16 Apr, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 938840 Prefixes after maximum aggregation (per Origin AS): 359370 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459699 Number of IPv4 prefixes with a valid ROA: 462258 Number of IPv4 prefixes with an invalid ROA: 1043 Number of IPv4 prefixes with no ROA: 475539 Total ASes present in the Internet Routing Table: 75453 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64787 Origin ASes announcing only one prefix: 26551 Transit ASes present in the Internet Routing Table: 10666 Transit-only ASes present in the Internet Routing Table: 492 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1055 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 44137 Number of 32-bit ASNs visible in the Routing Table: 36146 Prefixes from 32-bit ASNs in the Routing Table: 184335 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3026477056 Equivalent to 180 /8s, 100 /16s and 96 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 309756 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247467 Total APNIC prefixes after maximum aggregation: 72794 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239824 Unique aggregates announced from the APNIC address blocks: 100155 APNIC Region origin ASes present in the Internet Routing Table: 13987 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4227 APNIC Region transit ASes present in the Internet Routing Table: 1866 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9428 Number of APNIC addresses announced to Internet: 760004096 Equivalent to 45 /8s, 76 /16s and 190 /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, 131072-153913 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: 273984 Total ARIN prefixes after maximum aggregation: 124349 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278742 Unique aggregates announced from the ARIN address blocks: 133231 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1916 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4866 Number of ARIN addresses announced to Internet: 1268807680 Equivalent to 75 /8s, 160 /16s and 120 /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, 393216-402332 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, 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: 263817 Total RIPE prefixes after maximum aggregation: 126542 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258601 Unique aggregates announced from the RIPE address blocks: 163284 RIPE Region origin ASes present in the Internet Routing Table: 28588 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3965 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11720 Number of RIPE addresses announced to Internet: 714586880 Equivalent to 42 /8s, 151 /16s and 187 /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 196608-216475 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: 121669 Total LACNIC prefixes after maximum aggregation: 28849 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119909 Unique aggregates announced from the LACNIC address blocks: 49480 LACNIC Region origin ASes present in the Internet Routing Table: 11075 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2597 LACNIC Region transit ASes present in the Internet Routing Table: 2395 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8947 Number of LACNIC addresses announced to Internet: 177051904 Equivalent to 10 /8s, 141 /16s and 153 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30848 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 41198 Unique aggregates announced from the AfriNIC address blocks: 13108 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.71 AfriNIC Region origin ASes announcing only one prefix: 642 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1185 Number of AfriNIC addresses announced to Internet: 105718272 Equivalent to 6 /8s, 77 /16s and 34 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9808 9865 8743 64 CHINAMOBILE-CN China Mobile Communicati 7545 5662 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3874 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3595 499 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3291 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2776 863 371 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9843 11367 3475 AMAZON-02, US 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3514 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3307 6630 817 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3097 1317 2212 AKAMAI-AS, US 367 2831 3551 1350 DNIC-ASBLK-00306-00371, US 7018 2790 23649 1786 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7727 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3854 3395 126 AKAMAI-ASN1, NL 9009 3280 284 1603 M247, RO 12389 2708 2250 799 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1547 1852 14 TE-AS TE-AS, EG 44477 1537 100 729 STARK-INDUSTRIES, GB Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12343 3300 497 UNINET, MX 10620 3525 495 906 Telmex Colombia S.A., CO 13999 2525 348 656 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1340 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1153 175 428 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1072 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1549 545 28 RAYA-AS, EG 24863 1501 389 20 LINKdotNET-AS, EG 36992 1364 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1205 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 528 55 55 WANANCHI-, KE 36914 477 82 3 KENET-AS, KE 24757 436 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12343 3300 497 UNINET, MX 9808 9865 8743 64 CHINAMOBILE-CN China Mobile Communicati 16509 9843 11367 3475 AMAZON-02, US 12479 7727 1709 144 UNI2-AS, ES 7545 5662 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4602 305 605 CABLEONE, US 18403 4575 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3874 1330 20 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9865 9801 CHINAMOBILE-CN China Mobile Communications Grou 12479 7727 7583 UNI2-AS, ES 16509 9843 6368 AMAZON-02, US 7545 5662 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4575 4552 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3997 CABLEONE, US 7552 3874 3854 VIETEL-AS-AP Viettel Group, VN 20940 3854 3728 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR Complete listing at https://bgp.nsrc.org/REN/Singapore/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 /8:16 /9:14 /10:36 /11:95 /12:297 /13:579 /14:1194 /15:2065 /16:13235 /17:8125 /18:13564 /19:24480 /20:42998 /21:50898 /22:110361 /23:98410 /24:572465 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6842 7727 UNI2-AS, ES 8151 6382 12343 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2612 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3525 Telmex Colombia S.A., CO 8551 2112 2636 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2295 2:1497 3:325 4:6 5:4531 6:163 7:6 8:1505 9:1 11:172 12:1462 13:370 14:2358 15:315 16:208 17:367 18:763 20:358 21:4 22:188 23:6656 24:2703 25:2 27:2586 29:19 31:2682 32:45 34:62 35:128 36:2303 37:4464 38:7258 39:891 40:126 41:4019 42:2181 43:2339 44:313 45:17020 46:4426 47:305 49:1896 50:1925 51:571 52:1585 54:310 55:995 56:5 57:163 58:1984 59:1188 60:1033 61:2619 62:2688 63:1894 64:5530 65:2323 66:4661 67:2998 68:1335 69:4111 70:1191 71:579 72:2889 74:2583 75:1551 76:625 77:2430 78:1847 79:2494 80:2185 81:1951 82:1557 83:1315 84:1642 85:3132 86:838 87:1980 88:1240 89:4062 90:621 91:8084 92:2197 93:2657 94:3617 95:4126 96:1292 97:315 98:1040 99:742 100:78 101:1170 102:3096 103:32488 104:4802 105:635 106:937 107:2760 108:1108 109:4089 110:2140 111:3207 112:2065 113:1805 114:1775 115:2024 116:1870 117:2625 118:2841 119:1963 120:1781 121:1263 122:2664 123:2200 124:1606 125:2849 126:32 128:1433 129:919 130:1111 131:1857 132:799 133:410 134:1708 135:319 136:937 137:1031 138:2820 139:1535 140:1387 141:1364 142:1581 143:1484 144:1004 145:343 146:2056 147:1846 148:2493 149:2557 150:1026 151:1341 152:2017 153:523 154:6481 155:1449 156:2427 157:1700 158:1117 159:2321 160:2637 161:1612 162:3579 163:1690 164:1634 165:2115 166:1165 167:1778 168:3921 169:793 170:4805 171:997 172:3817 173:3026 174:898 175:1202 176:3636 177:4697 178:3574 179:2270 180:2359 181:3699 182:3381 183:2038 184:2276 185:20699 186:5033 187:4499 188:4046 189:4175 190:9350 191:1449 192:10934 193:9058 194:7458 195:5268 196:3134 197:2453 198:5897 199:7625 200:7976 201:6283 202:10193 203:10110 204:4534 205:3722 206:4434 207:3378 208:4136 209:5012 210:4394 211:2485 212:4258 213:3413 214:1089 215:50 216:6766 217:2802 218:1311 219:404 220:1811 221:1033 222:697 223:2210 End of report