IPv4 R&E Routing Table Report 23:05 GMT Mon 30 Jan, 2023 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: 903468 Prefixes after maximum aggregation (per Origin AS): 344323 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445437 Number of IPv4 prefixes with a valid ROA: 370396 Number of IPv4 prefixes with an invalid ROA: 1514 Number of IPv4 prefixes with no ROA: 531558 Total ASes present in the Internet Routing Table: 73935 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63515 Origin ASes announcing only one prefix: 26146 Transit ASes present in the Internet Routing Table: 10420 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 27 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 952 Number of instances of unregistered ASNs: 961 Number of 32-bit ASNs allocated by the RIRs: 41154 Number of 32-bit ASNs visible in the Routing Table: 34051 Prefixes from 32-bit ASNs in the Routing Table: 166068 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3061933312 Equivalent to 182 /8s, 129 /16s and 101 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 303646 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233639 Total APNIC prefixes after maximum aggregation: 68060 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228704 Unique aggregates announced from the APNIC address blocks: 97747 APNIC Region origin ASes present in the Internet Routing Table: 13167 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3825 APNIC Region transit ASes present in the Internet Routing Table: 1767 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8496 Number of APNIC addresses announced to Internet: 773095936 Equivalent to 46 /8s, 20 /16s and 130 /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, 131072-151865 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: 266167 Total ARIN prefixes after maximum aggregation: 121068 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268030 Unique aggregates announced from the ARIN address blocks: 129909 ARIN Region origin ASes present in the Internet Routing Table: 19023 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1892 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4717 Number of ARIN addresses announced to Internet: 1285855488 Equivalent to 76 /8s, 164 /16s and 153 /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, 393216-401308 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: 255932 Total RIPE prefixes after maximum aggregation: 120453 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 252441 Unique aggregates announced from the RIPE address blocks: 156223 RIPE Region origin ASes present in the Internet Routing Table: 28214 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3986 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10993 Number of RIPE addresses announced to Internet: 718507520 Equivalent to 42 /8s, 211 /16s and 142 /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 196608-213403 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: 117605 Total LACNIC prefixes after maximum aggregation: 28276 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116771 Unique aggregates announced from the LACNIC address blocks: 49114 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2267 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8780 Number of LACNIC addresses announced to Internet: 176088832 Equivalent to 10 /8s, 126 /16s and 231 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29173 Total AfriNIC prefixes after maximum aggregation: 5731 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37005 Unique aggregates announced from the AfriNIC address blocks: 12023 AfriNIC Region origin ASes present in the Internet Routing Table: 1720 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1065 Number of AfriNIC addresses announced to Internet: 108067072 Equivalent to 6 /8s, 112 /16s and 249 /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 9435 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5893 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3634 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3522 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3242 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2719 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 848 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 213 TATACOMM-AS TATA Communications formerl 45090 2147 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 7868 10714 2906 AMAZON-02, US 11492 4531 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3691 3067 321 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3500 1320 63 SHAW, CA 16625 3454 1772 2503 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 396982 2589 3496 365 GOOGLE-CLOUD-PLATFORM, US 7018 2587 24127 1569 ATT-INTERNET4, US 30036 2556 366 395 MEDIACOM-ENTERPRISE-BUSINESS, 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 7001 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4036 3399 169 AKAMAI-ASN1, NL 8551 3895 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2706 257 1373 M247, RO 34984 2258 358 609 TELLCOM-AS, TR 6849 2197 339 19 UKRTELNET, UA 58224 1826 943 555 TCI, IR 13188 1607 100 27 TRIOLAN, UA 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 11081 3342 582 Uninet S.A. de C.V., MX 10620 3474 507 856 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2229 367 594 Mega Cable, S.A. de C.V., MX 28573 1353 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1105 181 462 Techtel LMDS Comunicaciones Interactiva 26615 1016 2466 43 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 1538 533 30 RAYA-AS, EG 24863 1500 393 21 LINKdotNET-AS, EG 36992 1347 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1008 67 47 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 37342 494 32 1 MOVITEL, MZ 24757 491 73 5 EthioNet-AS, ET 15399 483 54 46 WANANCHI-, 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 11081 3342 582 Uninet S.A. de C.V., MX 9808 9435 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7868 10714 2906 AMAZON-02, US 12479 7001 1706 146 UNI2-AS, ES 7545 5893 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4531 300 601 CABLEONE, US 20940 4036 3399 169 AKAMAI-ASN1, NL 7155 3895 265 33 VIASAT-SP-BACKBONE, US 8551 3895 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9435 9388 CHINAMOBILE-CN China Mobile Communications Grou 12479 7001 6855 UNI2-AS, ES 7545 5893 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7868 4962 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4531 3930 CABLEONE, US 20940 4036 3867 AKAMAI-ASN1, NL 7155 3895 3862 VIASAT-SP-BACKBONE, US 8551 3895 3858 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3634 3613 VIETEL-AS-AP Viettel Group, VN 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:38 /11:101 /12:295 /13:578 /14:1198 /15:2077 /16:13470 /17:8230 /18:13791 /19:24817 /20:42829 /21:50835 /22:108783 /23:96784 /24:539604 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6058 7001 UNI2-AS, ES 8151 5093 11081 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3446 4531 CABLEONE, US 8551 3367 3895 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3308 3500 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3691 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2213 2556 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2049 2197 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1225 3:168 4:5 5:4108 6:112 7:5 8:1521 9:1 11:172 12:1586 13:377 14:2328 15:289 16:79 17:365 18:392 20:243 21:4 22:188 23:6039 24:2483 25:4 27:2647 29:19 31:2463 32:100 34:9 35:104 36:1897 37:4593 38:4039 39:832 40:154 41:3949 42:1044 43:2298 44:302 45:16383 46:4163 47:374 49:1710 50:1837 51:380 52:1551 54:395 55:857 56:8 57:80 58:1677 59:1108 60:1000 61:2421 62:2614 63:1938 64:5663 65:2316 66:4901 67:3043 68:1341 69:4132 70:1251 71:661 72:2967 74:2586 75:1457 76:598 77:2385 78:1822 79:3175 80:2074 81:1709 82:1483 83:1233 84:1488 85:2967 86:748 87:1946 88:1210 89:3523 90:597 91:7635 92:2001 93:2579 94:3482 95:3926 96:1328 97:346 98:1160 99:740 100:75 101:1298 102:2555 103:30721 104:4588 105:483 106:846 107:2522 108:911 109:4361 110:2074 111:3298 112:2043 113:1475 114:1607 115:2013 116:1873 117:2552 118:2291 119:1877 120:1738 121:1049 122:2585 123:2139 124:1560 125:2283 128:1249 129:1047 130:972 131:1987 132:830 133:406 134:1909 135:297 136:869 137:921 138:2565 139:1544 140:1151 141:1481 142:1414 143:1499 144:1194 145:351 146:1857 147:1555 148:2268 149:1887 150:862 151:1138 152:1942 153:478 154:3940 155:1403 156:1656 157:1293 158:1018 159:2261 160:2547 161:1461 162:3522 163:1472 164:1607 165:1668 166:831 167:1754 168:3873 169:916 170:4590 171:880 172:3500 173:2949 174:1022 175:1158 176:3680 177:4618 178:3551 179:2156 180:2400 181:3362 182:3245 183:1938 184:2336 185:19967 186:4705 187:3939 188:4058 189:3498 190:9088 191:1442 192:10934 193:8811 194:7218 195:5102 196:3094 197:2405 198:5901 199:6077 200:7673 201:5838 202:10214 203:10005 204:4589 205:3498 206:3805 207:3362 208:4072 209:4799 210:4159 211:2389 212:4068 213:3554 214:1096 215:56 216:6612 217:2636 218:1256 219:400 220:1776 221:968 222:665 223:2038 End of report