IPv4 R&E Routing Table Report 23:05 GMT Mon 12 Dec, 2022 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: 900626 Prefixes after maximum aggregation (per Origin AS): 343319 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 443387 Number of IPv4 prefixes with a valid ROA: 365005 Number of IPv4 prefixes with an invalid ROA: 1506 Number of IPv4 prefixes with no ROA: 534115 Total ASes present in the Internet Routing Table: 73745 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63354 Origin ASes announcing only one prefix: 26057 Transit ASes present in the Internet Routing Table: 10391 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1023 Number of instances of unregistered ASNs: 1023 Number of 32-bit ASNs allocated by the RIRs: 40870 Number of 32-bit ASNs visible in the Routing Table: 33782 Prefixes from 32-bit ASNs in the Routing Table: 164500 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3059657216 Equivalent to 182 /8s, 94 /16s and 170 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 302625 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233231 Total APNIC prefixes after maximum aggregation: 67718 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228112 Unique aggregates announced from the APNIC address blocks: 97263 APNIC Region origin ASes present in the Internet Routing Table: 13073 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3814 APNIC Region transit ASes present in the Internet Routing Table: 1749 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8390 Number of APNIC addresses announced to Internet: 773177344 Equivalent to 46 /8s, 21 /16s and 192 /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: 266343 Total ARIN prefixes after maximum aggregation: 121255 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267904 Unique aggregates announced from the ARIN address blocks: 129488 ARIN Region origin ASes present in the Internet Routing Table: 18994 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4683 Number of ARIN addresses announced to Internet: 1286127872 Equivalent to 76 /8s, 168 /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, 393216-401308 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: 254283 Total RIPE prefixes after maximum aggregation: 119762 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 251081 Unique aggregates announced from the RIPE address blocks: 155472 RIPE Region origin ASes present in the Internet Routing Table: 28158 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12006 RIPE Region transit ASes present in the Internet Routing Table: 3978 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10902 Number of RIPE addresses announced to Internet: 715952640 Equivalent to 42 /8s, 172 /16s and 146 /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: 117083 Total LACNIC prefixes after maximum aggregation: 28166 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116396 Unique aggregates announced from the LACNIC address blocks: 48751 LACNIC Region origin ASes present in the Internet Routing Table: 10994 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2264 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: 8762 Number of LACNIC addresses announced to Internet: 175986176 Equivalent to 10 /8s, 125 /16s and 86 /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: 28663 Total AfriNIC prefixes after maximum aggregation: 5651 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36617 Unique aggregates announced from the AfriNIC address blocks: 11988 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.44 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1045 Number of AfriNIC addresses announced to Internet: 108118016 Equivalent to 6 /8s, 113 /16s and 192 /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 9139 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5942 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2586 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2313 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 592 KIXS-AS-KR Korea Telecom, KR 4755 2165 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 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 7728 10631 2894 AMAZON-02, US 11492 4548 301 567 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3715 3067 334 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3482 1814 2520 AKAMAI-AS, US 749 3031 50578 2298 DNIC-AS-00749, US 7018 2589 24126 1558 ATT-INTERNET4, US 396982 2570 3483 365 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 384 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 6974 1730 151 UNI2-AS, ES 20940 4058 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2647 252 1360 M247, RO 34984 2252 358 609 TELLCOM-AS, TR 6849 2193 339 20 UKRTELNET, UA 58224 1796 939 525 TCI, IR 13188 1571 98 103 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 10869 3338 595 Uninet S.A. de C.V., MX 10620 3465 507 851 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2156 353 566 Mega Cable, S.A. de C.V., MX 28573 1332 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1135 184 472 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1550 537 31 RAYA-AS, EG 24863 1535 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 40 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 442 32 1 MOVITEL, MZ 2018 363 319 68 TENET-1, ZA 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 10869 3338 595 Uninet S.A. de C.V., MX 9808 9139 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7728 10631 2894 AMAZON-02, US 12479 6974 1730 151 UNI2-AS, ES 7545 5942 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 567 CABLEONE, US 20940 4058 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3715 3067 334 ASN-CXA-ALL-CCI-22773-RDC, 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 9139 9092 CHINAMOBILE-CN China Mobile Communications Grou 12479 6974 6823 UNI2-AS, ES 7545 5942 5249 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7728 4834 AMAZON-02, US 11492 4548 3981 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4058 3883 AKAMAI-ASN1, NL 7155 3893 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 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: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.131.189.0/24 Origin: 150303 SOLORDP-AS-AP SoloRDP, IN 23.131.189.0/24 Transit: 140947 SNTHOSTINGS-AS-AP SnTHostings, IN 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 /11:100 /12:294 /13:581 /14:1196 /15:2082 /16:13471 /17:8249 /18:13772 /19:24832 /20:42971 /21:50894 /22:108716 /23:96426 /24:536967 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6012 6974 UNI2-AS, ES 8151 4854 10869 Uninet S.A. de C.V., MX 11492 3455 4548 CABLEONE, US 6327 3328 3520 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2743 3715 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2193 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1653 2:1018 3:168 4:5 5:4090 6:109 7:5 8:1540 9:1 11:172 12:1613 13:370 14:2366 15:287 16:75 17:370 18:394 20:243 21:4 22:188 23:6002 24:2445 25:4 27:2700 29:19 31:2490 32:102 34:8 35:95 36:1836 37:4606 38:3921 39:817 40:144 41:3910 42:1081 43:2289 44:307 45:16372 46:4149 47:370 49:1706 50:1933 51:246 52:1527 54:395 55:842 56:8 57:79 58:1714 59:1102 60:1006 61:2423 62:2598 63:1956 64:5626 65:2325 66:4839 67:3029 68:1373 69:4123 70:1265 71:655 72:2987 74:2607 75:1463 76:596 77:2248 78:1822 79:2938 80:2056 81:1674 82:1488 83:1228 84:1486 85:2968 86:747 87:1927 88:1171 89:3485 90:581 91:7613 92:1987 93:2560 94:3525 95:3881 96:1317 97:344 98:1174 99:740 100:69 101:1291 102:2492 103:30519 104:4583 105:485 106:828 107:2547 108:907 109:4314 110:2034 111:3260 112:2028 113:1494 114:1594 115:2007 116:1871 117:2466 118:2293 119:1883 120:1696 121:1038 122:2571 123:2127 124:1535 125:2157 128:1206 129:967 130:969 131:2001 132:825 133:400 134:1899 135:294 136:883 137:915 138:2576 139:1498 140:1025 141:1489 142:1403 143:1453 144:1196 145:348 146:1878 147:1504 148:2247 149:1878 150:861 151:1146 152:1956 153:459 154:3784 155:1410 156:1630 157:1289 158:1039 159:2233 160:2569 161:1427 162:3533 163:1458 164:1672 165:1628 166:834 167:1745 168:3829 169:919 170:4563 171:871 172:3518 173:3060 174:1035 175:1156 176:3607 177:4778 178:3511 179:2142 180:2396 181:3355 182:3225 183:1936 184:2365 185:19981 186:4632 187:3920 188:4062 189:3435 190:9007 191:1471 192:10988 193:8794 194:7183 195:5090 196:3046 197:2346 198:5933 199:6069 200:7650 201:5844 202:10222 203:10024 204:4596 205:3500 206:3742 207:3347 208:4106 209:4795 210:4160 211:2391 212:4035 213:3542 214:1106 215:55 216:6609 217:2640 218:1250 219:410 220:1782 221:952 222:665 223:1984 End of report