IPv4 R&E Routing Table Report 23:05 GMT Tue 29 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: 956926 Prefixes after maximum aggregation (per Origin AS): 366207 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468757 Number of IPv4 prefixes with a valid ROA: 506755 Number of IPv4 prefixes with an invalid ROA: 1166 Number of IPv4 prefixes with no ROA: 449005 Total ASes present in the Internet Routing Table: 76199 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 65477 Origin ASes announcing only one prefix: 26792 Transit ASes present in the Internet Routing Table: 10722 Transit-only ASes present in the Internet Routing Table: 506 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: 982 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 45670 Number of 32-bit ASNs visible in the Routing Table: 37275 Prefixes from 32-bit ASNs in the Routing Table: 193532 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: 526 Number of addresses announced to Internet: 3026722816 Equivalent to 180 /8s, 104 /16s and 32 /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: 314254 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252389 Total APNIC prefixes after maximum aggregation: 75005 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244240 Unique aggregates announced from the APNIC address blocks: 101191 APNIC Region origin ASes present in the Internet Routing Table: 14342 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4373 APNIC Region transit ASes present in the Internet Routing Table: 1895 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: 9833 Number of APNIC addresses announced to Internet: 756117248 Equivalent to 45 /8s, 17 /16s and 111 /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: 280262 Total ARIN prefixes after maximum aggregation: 125621 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283539 Unique aggregates announced from the ARIN address blocks: 135682 ARIN Region origin ASes present in the Internet Routing Table: 19143 ARIN Prefixes per ASN: 14.81 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 1266663680 Equivalent to 75 /8s, 127 /16s and 193 /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: 267376 Total RIPE prefixes after maximum aggregation: 129560 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264329 Unique aggregates announced from the RIPE address blocks: 168600 RIPE Region origin ASes present in the Internet Routing Table: 28766 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: 3923 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: 12066 Number of RIPE addresses announced to Internet: 722020352 Equivalent to 43 /8s, 9 /16s and 40 /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: 122961 Total LACNIC prefixes after maximum aggregation: 28842 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120519 Unique aggregates announced from the LACNIC address blocks: 48549 LACNIC Region origin ASes present in the Internet Routing Table: 11164 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 2470 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: 9076 Number of LACNIC addresses announced to Internet: 177494784 Equivalent to 10 /8s, 148 /16s and 91 /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: 32956 Total AfriNIC prefixes after maximum aggregation: 6540 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 43773 Unique aggregates announced from the AfriNIC address blocks: 14295 AfriNIC Region origin ASes present in the Internet Routing Table: 1894 AfriNIC Prefixes per ASN: 23.11 AfriNIC Region origin ASes announcing only one prefix: 689 AfriNIC Region transit ASes present in the Internet Routing Table: 356 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: 1260 Number of AfriNIC addresses announced to Internet: 104144384 Equivalent to 6 /8s, 53 /16s and 30 /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 10090 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 6000 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4342 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3914 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3851 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3651 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2784 829 543 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 10960 11926 3862 AMAZON-02, US 11492 4652 309 552 CABLEONE, US 174 4480 8756 837 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3415 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54896 2509 DNIC-AS-00749, US 7018 3204 23672 1990 ATT-INTERNET4, US 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16625 2797 1222 2101 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 7623 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3836 3395 125 AKAMAI-ASN1, NL 9009 3693 318 1884 M247, RO 12389 2938 2294 876 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1840 135 1357 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1568 1852 14 TE-AS TE-AS, EG 8551 1473 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 11556 3238 507 UNINET, MX 10620 3544 494 941 Telmex Colombia S.A., CO 13999 2530 533 359 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 1320 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1160 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 369 22 Telefonica del Peru S.A.A., PE 22884 1059 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1030 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 1420 1519 283 ETISALAT-MISR, EG 29571 1363 86 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 988 523 46 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 531 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 11556 3238 507 UNINET, MX 16509 10960 11926 3862 AMAZON-02, US 9808 10090 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7623 1709 143 UNI2-AS, ES 7545 6000 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4652 309 552 CABLEONE, US 174 4480 8756 837 COGENT-174, US 18403 4342 347 23 FPT-AS-AP FPT Telecom Company, VN 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 10090 10007 CHINAMOBILE-CN China Mobile Communications Grou 12479 7623 7480 UNI2-AS, ES 16509 10960 7098 AMAZON-02, US 7545 6000 5345 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4342 4319 FPT-AS-AP FPT Telecom Company, VN 11492 4652 4100 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3914 3889 VIETEL-AS-AP Viettel Group, VN 20940 3836 3711 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 /13:574 /14:1170 /15:2055 /16:13116 /17:8137 /18:13602 /19:24214 /20:43557 /21:51612 /22:111495 /23:99248 /24:587692 /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 6678 7623 UNI2-AS, ES 8151 5743 11556 UNINET, MX 11492 3551 4652 CABLEONE, US 39891 3412 4720 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2545 3415 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2223 10960 AMAZON-02, US 30036 2188 2527 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3544 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) ---------------------------------------------- 1:2256 2:1541 3:512 4:8 5:4420 6:171 7:6 8:1503 9:1 11:172 12:1421 13:371 14:2437 15:331 16:264 17:357 18:897 20:441 21:4 22:188 23:6920 24:2646 25:2 27:2646 29:19 31:2935 32:44 34:73 35:140 36:2356 37:4447 38:8760 39:917 40:153 41:4115 42:2081 43:2424 44:330 45:17688 46:4704 47:298 49:2006 50:1856 51:580 52:1583 54:315 55:926 56:8 57:222 58:2179 59:1203 60:1146 61:2767 62:2815 63:1842 64:5409 65:2274 66:4640 67:3014 68:1333 69:4009 70:1128 71:563 72:2855 74:2783 75:1630 76:634 77:2572 78:1867 79:1655 80:2195 81:2029 82:1779 83:1369 84:1753 85:3082 86:960 87:2144 88:1237 89:4367 90:699 91:8257 92:2622 93:2807 94:3801 95:4275 96:1263 97:314 98:1074 99:740 100:72 101:1163 102:3439 103:32266 104:4413 105:703 106:985 107:2387 108:1158 109:4036 110:2211 111:3304 112:2038 113:1747 114:1931 115:2114 116:1964 117:2712 118:2860 119:1979 120:1869 121:1348 122:2692 123:2139 124:1625 125:2828 126:64 128:1350 129:927 130:1234 131:1867 132:814 133:446 134:1524 135:315 136:1263 137:1089 138:2857 139:1535 140:1477 141:1568 142:1808 143:1620 144:1019 145:398 146:2096 147:2044 148:2544 149:2808 150:1124 151:1445 152:2103 153:499 154:6934 155:1540 156:2583 157:1836 158:1214 159:2427 160:3249 161:1735 162:3559 163:1762 164:1937 165:2135 166:1322 167:1853 168:4068 169:784 170:4977 171:1002 172:3897 173:3119 174:909 175:1266 176:3468 177:4934 178:3600 179:2238 180:2497 181:3925 182:3316 183:2044 184:2269 185:21129 186:5012 187:4325 188:4207 189:4214 190:9585 191:1519 192:11193 193:9255 194:7592 195:5390 196:3222 197:3096 198:5888 199:7850 200:8029 201:6300 202:10247 203:10393 204:4613 205:3628 206:4572 207:3522 208:4210 209:5082 210:4508 211:2571 212:4515 213:3628 214:1042 215:48 216:6641 217:3036 218:1319 219:395 220:2071 221:1048 222:707 223:2290 End of report