IPv4 R&E Routing Table Report 23:05 GMT Sun 08 Dec, 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: 961688 Prefixes after maximum aggregation (per Origin AS): 368518 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 472238 Number of IPv4 prefixes with a valid ROA: 513823 Number of IPv4 prefixes with an invalid ROA: 1170 Number of IPv4 prefixes with no ROA: 446695 Total ASes present in the Internet Routing Table: 76302 Prefixes per ASN: 12.60 Origin-only ASes present in the Internet Routing Table: 65520 Origin ASes announcing only one prefix: 26816 Transit ASes present in the Internet Routing Table: 10782 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 63 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1019 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 45979 Number of 32-bit ASNs visible in the Routing Table: 37452 Prefixes from 32-bit ASNs in the Routing Table: 195074 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 3025324288 Equivalent to 180 /8s, 82 /16s and 201 /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: 315459 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253028 Total APNIC prefixes after maximum aggregation: 75444 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245509 Unique aggregates announced from the APNIC address blocks: 102113 APNIC Region origin ASes present in the Internet Routing Table: 14386 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4394 APNIC Region transit ASes present in the Internet Routing Table: 1912 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: 9894 Number of APNIC addresses announced to Internet: 755421952 Equivalent to 45 /8s, 6 /16s and 211 /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: 282289 Total ARIN prefixes after maximum aggregation: 126485 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284669 Unique aggregates announced from the ARIN address blocks: 136430 ARIN Region origin ASes present in the Internet Routing Table: 19154 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6959 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: 5073 Number of ARIN addresses announced to Internet: 1266123520 Equivalent to 75 /8s, 119 /16s and 131 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268598 Total RIPE prefixes after maximum aggregation: 130266 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265425 Unique aggregates announced from the RIPE address blocks: 169633 RIPE Region origin ASes present in the Internet Routing Table: 28811 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12139 Number of RIPE addresses announced to Internet: 721862144 Equivalent to 43 /8s, 6 /16s and 190 /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, 53/8, 57/8, 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: 122731 Total LACNIC prefixes after maximum aggregation: 29132 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120265 Unique aggregates announced from the LACNIC address blocks: 48710 LACNIC Region origin ASes present in the Internet Routing Table: 11165 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2643 LACNIC Region transit ASes present in the Internet Routing Table: 2480 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9085 Number of LACNIC addresses announced to Internet: 177506816 Equivalent to 10 /8s, 148 /16s and 138 /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: 34023 Total AfriNIC prefixes after maximum aggregation: 6559 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 45351 Unique aggregates announced from the AfriNIC address blocks: 14958 AfriNIC Region origin ASes present in the Internet Routing Table: 1901 AfriNIC Prefixes per ASN: 23.86 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 63 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1261 Number of AfriNIC addresses announced to Internet: 104158720 Equivalent to 6 /8s, 53 /16s and 86 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 9808 10092 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6194 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4593 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3964 518 286 BBIL-AP BHARTI Airtel Ltd., IN 7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3682 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2808 837 544 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2217 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 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 11091 12132 3957 AMAZON-02, US 11492 4679 311 553 CABLEONE, US 174 4183 8763 880 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3400 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3192 23504 2025 ATT-INTERNET4, US 396982 2886 3655 434 GOOGLE-CLOUD-PLATFORM, US 16625 2826 1231 2115 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 7719 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3876 3395 125 AKAMAI-ASN1, NL 9009 3681 317 1865 M247, RO 12389 2938 2294 878 ROSTELECOM-AS, RU 34984 2342 360 575 TELLCOM-AS, TR 212238 1824 132 1345 CDNEXT, GB 8452 1613 1852 22 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1496 98 749 CLOUVIDER Clouvider - Global ASN, 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 11502 3226 604 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2534 538 370 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 998 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 1649 593 29 RAYA-AS, EG 24863 1637 389 16 LINKdotNET-AS, EG 29571 1447 91 59 ORANGE-COTE-IVOIRE, CI 36992 1427 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 944 167 258 INTERNET-SOLUTIONS, ZA 37069 862 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 539 82 3 KENET-AS, KE 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 11502 3226 604 UNINET, MX 16509 11091 12132 3957 AMAZON-02, US 9808 10092 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7719 1709 143 UNI2-AS, ES 7545 6194 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4679 311 553 CABLEONE, US 18403 4593 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4183 8763 880 COGENT-174, US 7155 4168 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 10092 10005 CHINAMOBILE-CN China Mobile Communications Grou 12479 7719 7576 UNI2-AS, ES 16509 11091 7134 AMAZON-02, US 7545 6194 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4593 4570 FPT-AS-AP FPT Telecom Company, VN 11492 4679 4126 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3910 3885 VIETEL-AS-AP Viettel Group, VN 20940 3876 3751 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 23.140.216.0/24 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 23.154.248.0/24 Origin: 54641 IMH-IAD, US 23.154.248.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /13:572 /14:1166 /15:2050 /16:13120 /17:8130 /18:13536 /19:24267 /20:43821 /21:51749 /22:111467 /23:99694 /24:591662 /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 6701 7719 UNI2-AS, ES 8151 5699 11502 UNINET, MX 11492 3555 4679 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2535 3400 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2263 11091 AMAZON-02, US 30036 2210 2550 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 3543 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) ---------------------------------------------- 1:2303 2:1547 3:523 4:4 5:4458 6:166 7:6 8:1545 9:1 11:172 12:1397 13:368 14:2461 15:334 16:270 17:358 18:902 20:444 21:4 22:188 23:7060 24:2738 25:2 27:2615 29:19 31:3032 32:37 34:73 35:177 36:2387 37:4472 38:8697 39:878 40:148 41:4103 42:2171 43:2473 44:345 45:17804 46:4944 47:297 49:1991 50:1851 51:586 52:1575 54:316 55:1027 56:8 57:231 58:2238 59:1179 60:1152 61:2803 62:2869 63:1826 64:5405 65:2275 66:4630 67:3024 68:1287 69:3975 70:1113 71:588 72:2858 74:2779 75:1639 76:636 77:2554 78:1849 79:1661 80:2172 81:2032 82:1767 83:1395 84:1770 85:3194 86:972 87:2162 88:1258 89:4338 90:735 91:8252 92:2723 93:2825 94:3843 95:4185 96:1244 97:313 98:1067 99:734 100:71 101:1417 102:3421 103:32246 104:4436 105:728 106:985 107:2429 108:1183 109:4034 110:2232 111:3315 112:2039 113:1803 114:1934 115:2178 116:1990 117:2715 118:2880 119:1961 120:1857 121:1330 122:2723 123:2154 124:1551 125:2843 126:62 128:1533 129:937 130:1245 131:1862 132:799 133:448 134:1507 135:325 136:1336 137:1097 138:2892 139:1536 140:1504 141:1446 142:1845 143:1599 144:1024 145:402 146:2107 147:2038 148:2577 149:2815 150:1162 151:1467 152:2109 153:499 154:7328 155:1567 156:2753 157:1846 158:1220 159:2429 160:3382 161:1743 162:3592 163:1775 164:1691 165:2150 166:1342 167:1863 168:4083 169:785 170:5043 171:998 172:3964 173:3154 174:917 175:1276 176:3555 177:4825 178:3712 179:2225 180:2543 181:3952 182:3359 183:2091 184:2257 185:21233 186:5018 187:4237 188:4205 189:4115 190:9566 191:1512 192:11146 193:9269 194:7663 195:5388 196:3208 197:3583 198:5920 199:8242 200:8095 201:6307 202:10183 203:10438 204:4617 205:3659 206:4596 207:3486 208:4216 209:5086 210:4513 211:2521 212:4483 213:3685 214:1053 215:48 216:6562 217:3093 218:1308 219:387 220:2094 221:1051 222:712 223:2287 End of report