IPv4 R&E Routing Table Report 23:05 GMT Fri 25 Oct, 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: 957077 Prefixes after maximum aggregation (per Origin AS): 366385 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468553 Number of IPv4 prefixes with a valid ROA: 506350 Number of IPv4 prefixes with an invalid ROA: 1138 Number of IPv4 prefixes with no ROA: 449589 Total ASes present in the Internet Routing Table: 76180 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 65438 Origin ASes announcing only one prefix: 26779 Transit ASes present in the Internet Routing Table: 10742 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 995 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 45628 Number of 32-bit ASNs visible in the Routing Table: 37251 Prefixes from 32-bit ASNs in the Routing Table: 193225 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3026879232 Equivalent to 180 /8s, 106 /16s and 131 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 313883 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252481 Total APNIC prefixes after maximum aggregation: 74952 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244416 Unique aggregates announced from the APNIC address blocks: 101116 APNIC Region origin ASes present in the Internet Routing Table: 14323 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4350 APNIC Region transit ASes present in the Internet Routing Table: 1903 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9821 Number of APNIC addresses announced to Internet: 756051968 Equivalent to 45 /8s, 16 /16s and 112 /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: 280761 Total ARIN prefixes after maximum aggregation: 125866 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284073 Unique aggregates announced from the ARIN address blocks: 135618 ARIN Region origin ASes present in the Internet Routing Table: 19148 ARIN Prefixes per ASN: 14.84 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5040 Number of ARIN addresses announced to Internet: 1266747136 Equivalent to 75 /8s, 129 /16s and 7 /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: 267427 Total RIPE prefixes after maximum aggregation: 129550 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264297 Unique aggregates announced from the RIPE address blocks: 168671 RIPE Region origin ASes present in the Internet Routing Table: 28768 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12063 Number of RIPE addresses announced to Internet: 722052864 Equivalent to 43 /8s, 9 /16s and 167 /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: 122461 Total LACNIC prefixes after maximum aggregation: 28826 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120038 Unique aggregates announced from the LACNIC address blocks: 48434 LACNIC Region origin ASes present in the Internet Routing Table: 11156 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2464 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9070 Number of LACNIC addresses announced to Internet: 177487360 Equivalent to 10 /8s, 148 /16s and 62 /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: 32952 Total AfriNIC prefixes after maximum aggregation: 6550 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 43718 Unique aggregates announced from the AfriNIC address blocks: 14269 AfriNIC Region origin ASes present in the Internet Routing Table: 1893 AfriNIC Prefixes per ASN: 23.09 AfriNIC Region origin ASes announcing only one prefix: 689 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1257 Number of AfriNIC addresses announced to Internet: 104256768 Equivalent to 6 /8s, 54 /16s and 213 /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 10080 8751 80 CHINAMOBILE-CN China Mobile Communication 7545 5995 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4551 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3940 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3851 511 268 BBIL-AP BHARTI Airtel Ltd., IN 7713 3651 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1871 101 VNPT-AS-VN VNPT Corp, VN 24560 2776 828 550 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2212 434 195 TATACOMM-AS TATA Communications formerly 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 10948 11919 3808 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4488 8757 839 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3415 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54896 2509 DNIC-AS-00749, US 7018 3178 23669 1973 ATT-INTERNET4, US 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16625 2796 1222 2100 AKAMAI-AS, 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 7646 1709 143 UNI2-AS, ES 39891 4652 281 59 ALJAWWALSTC-AS, SA 20940 3831 3395 125 AKAMAI-ASN1, NL 9009 3704 319 1892 M247, RO 12389 2943 2294 878 ROSTELECOM-AS, RU 34984 2342 359 579 TELLCOM-AS, TR 212238 1806 133 1341 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1533 1852 14 TE-AS TE-AS, EG 8551 1475 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11567 3237 507 UNINET, MX 10620 3545 494 939 Telmex Colombia S.A., CO 13999 2530 533 358 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1156 374 163 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 22884 1059 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1034 2503 53 TIM SA, BR 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 1637 593 29 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1355 86 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 992 523 47 Vodafone-, EG 37069 587 1099 13 MOBINIL, EG 6713 554 1861 35 IAM-AS, MA 36914 524 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 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 11567 3237 507 UNINET, MX 16509 10948 11919 3808 AMAZON-02, US 9808 10080 8751 80 CHINAMOBILE-CN China Mobile Communication 12479 7646 1709 143 UNI2-AS, ES 7545 5995 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4660 310 547 CABLEONE, US 39891 4652 281 59 ALJAWWALSTC-AS, SA 18403 4551 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4488 8757 839 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 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 10080 10000 CHINAMOBILE-CN China Mobile Communications Grou 12479 7646 7503 UNI2-AS, ES 16509 10948 7140 AMAZON-02, US 7545 5995 5340 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4652 4593 ALJAWWALSTC-AS, SA 18403 4551 4528 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3940 3915 VIETEL-AS-AP Viettel Group, VN 20940 3831 3706 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-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 /9:16 /10:36 /11:91 /12:295 /13:575 /14:1170 /15:2056 /16:13150 /17:8148 /18:13588 /19:24219 /20:43582 /21:51595 /22:111465 /23:99237 /24:587838 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6700 7646 UNI2-AS, ES 8151 5751 11567 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3412 4652 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2546 3415 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2226 10948 AMAZON-02, US 30036 2188 2527 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3545 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1535 3:508 4:8 5:4422 6:168 7:6 8:1508 9:1 11:172 12:1421 13:369 14:2438 15:331 16:264 17:357 18:902 20:441 21:4 22:188 23:6914 24:2646 25:2 27:2652 29:19 31:2924 32:44 34:73 35:142 36:2356 37:4481 38:8735 39:917 40:154 41:4108 42:2191 43:2431 44:336 45:17639 46:4694 47:298 49:2005 50:1858 51:574 52:1584 54:316 55:953 56:8 57:222 58:2183 59:1201 60:1145 61:2767 62:2826 63:1854 64:5409 65:2283 66:4642 67:2994 68:1332 69:4009 70:1128 71:562 72:2854 74:2775 75:1630 76:636 77:2573 78:1867 79:1657 80:2194 81:2024 82:1778 83:1373 84:1742 85:3094 86:960 87:2155 88:1240 89:4358 90:701 91:8270 92:2623 93:2814 94:3804 95:4292 96:1263 97:315 98:1074 99:740 100:72 101:1159 102:3430 103:32255 104:4403 105:704 106:981 107:2397 108:1154 109:4033 110:2204 111:3307 112:2039 113:1776 114:1925 115:2123 116:1963 117:2713 118:2873 119:1979 120:1869 121:1346 122:2691 123:2140 124:1621 125:2828 126:64 128:1411 129:928 130:1235 131:1860 132:808 133:446 134:1526 135:316 136:1262 137:1082 138:2894 139:1539 140:1486 141:1565 142:1805 143:1604 144:1019 145:396 146:2097 147:2038 148:2538 149:2808 150:1123 151:1379 152:2106 153:499 154:6928 155:1539 156:2580 157:1845 158:1202 159:2426 160:3232 161:1736 162:3554 163:1757 164:1939 165:2137 166:1325 167:1856 168:4067 169:781 170:4931 171:1021 172:3899 173:3119 174:907 175:1268 176:3472 177:4785 178:3542 179:2215 180:2494 181:3922 182:3315 183:2056 184:2270 185:21128 186:5009 187:4235 188:4242 189:4093 190:9577 191:1512 192:11207 193:9259 194:7596 195:5390 196:3225 197:3083 198:5926 199:8189 200:8033 201:6281 202:10241 203:10389 204:4618 205:3644 206:4557 207:3566 208:4209 209:5121 210:4510 211:2570 212:4506 213:3644 214:1071 215:48 216:6632 217:3037 218:1320 219:396 220:2070 221:1048 222:707 223:2276 End of report