IPv4 R&E Routing Table Report 23:05 GMT Mon 05 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: 901035 Prefixes after maximum aggregation (per Origin AS): 342732 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442728 Number of IPv4 prefixes with a valid ROA: 364966 Number of IPv4 prefixes with an invalid ROA: 1538 Number of IPv4 prefixes with no ROA: 534531 Total ASes present in the Internet Routing Table: 73695 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63345 Origin ASes announcing only one prefix: 26025 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 413 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 988 Number of instances of unregistered ASNs: 988 Number of 32-bit ASNs allocated by the RIRs: 40795 Number of 32-bit ASNs visible in the Routing Table: 33724 Prefixes from 32-bit ASNs in the Routing Table: 164229 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: 506 Number of addresses announced to Internet: 3061797888 Equivalent to 182 /8s, 127 /16s and 84 /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: 302862 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233365 Total APNIC prefixes after maximum aggregation: 67593 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228215 Unique aggregates announced from the APNIC address blocks: 97181 APNIC Region origin ASes present in the Internet Routing Table: 13062 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3787 APNIC Region transit ASes present in the Internet Routing Table: 1759 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: 8374 Number of APNIC addresses announced to Internet: 773158400 Equivalent to 46 /8s, 21 /16s and 118 /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: 266208 Total ARIN prefixes after maximum aggregation: 121143 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267898 Unique aggregates announced from the ARIN address blocks: 129323 ARIN Region origin ASes present in the Internet Routing Table: 19014 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4673 Number of ARIN addresses announced to Internet: 1288346368 Equivalent to 76 /8s, 202 /16s and 155 /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: 254417 Total RIPE prefixes after maximum aggregation: 119437 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251058 Unique aggregates announced from the RIPE address blocks: 154983 RIPE Region origin ASes present in the Internet Routing Table: 28132 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3966 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: 10884 Number of RIPE addresses announced to Internet: 716111104 Equivalent to 42 /8s, 174 /16s and 253 /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: 117072 Total LACNIC prefixes after maximum aggregation: 28178 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116414 Unique aggregates announced from the LACNIC address blocks: 48832 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2251 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: 8761 Number of LACNIC addresses announced to Internet: 175777280 Equivalent to 10 /8s, 122 /16s and 38 /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: 28985 Total AfriNIC prefixes after maximum aggregation: 5637 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36944 Unique aggregates announced from the AfriNIC address blocks: 11993 AfriNIC Region origin ASes present in the Internet Routing Table: 1695 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 581 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1032 Number of AfriNIC addresses announced to Internet: 108112128 Equivalent to 6 /8s, 113 /16s and 169 /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 9132 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5952 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2569 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2309 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2164 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 7691 10624 2913 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3696 3044 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1320 63 SHAW, CA 16625 3508 1830 2529 AKAMAI-AS, US 749 3063 50660 2330 DNIC-AS-00749, US 30036 2583 369 338 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 360 GOOGLE-CLOUD-PLATFORM, US 7018 2538 24048 1521 ATT-INTERNET4, 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 6959 1730 151 UNI2-AS, ES 20940 4069 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3929 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 906 ROSTELECOM-AS, RU 9009 2646 252 1360 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2187 339 20 UKRTELNET, UA 58224 1800 938 528 TCI, IR 13188 1610 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 10798 3333 592 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2132 350 554 Mega Cable, S.A. de C.V., MX 28573 1332 2327 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1288 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 369 22 Telefonica del Peru S.A.A., PE 11664 1134 184 474 Techtel LMDS Comunicaciones Interactiva 26615 989 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 1548 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 40 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 530 54 45 WANANCHI-, KE 37342 441 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10798 3333 592 Uninet S.A. de C.V., MX 9808 9132 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7691 10624 2913 AMAZON-02, US 12479 6959 1730 151 UNI2-AS, ES 7545 5952 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4069 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3929 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3893 265 32 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 9132 9085 CHINAMOBILE-CN China Mobile Communications Grou 12479 6959 6808 UNI2-AS, ES 7545 5952 5257 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7691 4778 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4069 3895 AKAMAI-ASN1, NL 8551 3929 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3893 3861 VIASAT-SP-BACKBONE, US 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 /12:295 /13:584 /14:1195 /15:2080 /16:13470 /17:8267 /18:13780 /19:24834 /20:42997 /21:50929 /22:108698 /23:96315 /24:537416 /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 5994 6959 UNI2-AS, ES 8151 4794 10798 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3395 3929 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3527 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2728 3696 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2241 2583 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2040 2187 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1779 2:1018 3:168 4:5 5:4068 6:118 7:5 8:1543 9:1 11:173 12:1615 13:380 14:2369 15:286 16:75 17:368 18:385 20:240 21:4 22:188 23:6004 24:2443 25:4 27:2705 29:19 31:2481 32:98 34:8 35:94 36:1836 37:4570 38:3898 39:773 40:144 41:3974 42:1183 43:2286 44:305 45:16349 46:4159 47:370 49:1701 50:1926 51:244 52:1526 54:397 55:841 56:8 57:79 58:1726 59:1101 60:1005 61:2420 62:2582 63:1951 64:5620 65:2327 66:4833 67:2988 68:1373 69:4128 70:1288 71:678 72:2984 74:2630 75:1458 76:596 77:2248 78:1821 79:3156 80:2048 81:1674 82:1498 83:1225 84:1476 85:2970 86:750 87:1932 88:1161 89:3495 90:576 91:7601 92:1989 93:2560 94:3527 95:3884 96:1316 97:345 98:1169 99:740 100:69 101:1279 102:2500 103:30471 104:4568 105:483 106:826 107:2553 108:909 109:4334 110:2015 111:3260 112:2038 113:1507 114:1592 115:2012 116:1880 117:2465 118:2332 119:1879 120:1690 121:1043 122:2572 123:2123 124:1534 125:2148 128:1203 129:967 130:952 131:2013 132:829 133:400 134:1903 135:293 136:881 137:919 138:2580 139:1528 140:1036 141:1481 142:1404 143:1418 144:1197 145:354 146:1884 147:1502 148:2257 149:1847 150:865 151:1146 152:1960 153:455 154:3781 155:1403 156:1630 157:1287 158:1036 159:2238 160:2576 161:1427 162:3515 163:1450 164:1670 165:1639 166:838 167:1746 168:3833 169:917 170:4566 171:867 172:3527 173:3105 174:1035 175:1157 176:3618 177:4765 178:3549 179:2144 180:2395 181:3356 182:3220 183:1937 184:2360 185:19958 186:4621 187:3928 188:4052 189:3429 190:9014 191:1449 192:10979 193:8787 194:7199 195:5072 196:3082 197:2434 198:5950 199:6080 200:7624 201:5843 202:10215 203:10046 204:4599 205:3508 206:3743 207:3351 208:4107 209:4783 210:4159 211:2393 212:4025 213:3527 214:1101 215:57 216:6599 217:2623 218:1250 219:410 220:1798 221:952 222:666 223:1998 End of report