IPv4 R&E Routing Table Report 23:05 GMT Tue 10 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: 902597 Prefixes after maximum aggregation (per Origin AS): 344075 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444801 Number of IPv4 prefixes with a valid ROA: 367832 Number of IPv4 prefixes with an invalid ROA: 1523 Number of IPv4 prefixes with no ROA: 533242 Total ASes present in the Internet Routing Table: 73859 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63414 Origin ASes announcing only one prefix: 26130 Transit ASes present in the Internet Routing Table: 10445 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 986 Number of instances of unregistered ASNs: 995 Number of 32-bit ASNs allocated by the RIRs: 41047 Number of 32-bit ASNs visible in the Routing Table: 33945 Prefixes from 32-bit ASNs in the Routing Table: 165517 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 503 Number of addresses announced to Internet: 3062594048 Equivalent to 182 /8s, 139 /16s and 122 /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: 303690 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233333 Total APNIC prefixes after maximum aggregation: 67955 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228185 Unique aggregates announced from the APNIC address blocks: 97474 APNIC Region origin ASes present in the Internet Routing Table: 13129 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3823 APNIC Region transit ASes present in the Internet Routing Table: 1771 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: 8452 Number of APNIC addresses announced to Internet: 773279744 Equivalent to 46 /8s, 23 /16s and 80 /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: 266339 Total ARIN prefixes after maximum aggregation: 121247 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268054 Unique aggregates announced from the ARIN address blocks: 129588 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6996 ARIN Region transit ASes present in the Internet Routing Table: 1890 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: 4707 Number of ARIN addresses announced to Internet: 1285643520 Equivalent to 76 /8s, 161 /16s and 93 /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: 255674 Total RIPE prefixes after maximum aggregation: 120170 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252376 Unique aggregates announced from the RIPE address blocks: 156299 RIPE Region origin ASes present in the Internet Routing Table: 28203 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 4001 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: 10970 Number of RIPE addresses announced to Internet: 719208192 Equivalent to 42 /8s, 222 /16s and 63 /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: 117391 Total LACNIC prefixes after maximum aggregation: 28261 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116608 Unique aggregates announced from the LACNIC address blocks: 48941 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2272 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: 8768 Number of LACNIC addresses announced to Internet: 176008960 Equivalent to 10 /8s, 125 /16s and 175 /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: 28874 Total AfriNIC prefixes after maximum aggregation: 5696 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36871 Unique aggregates announced from the AfriNIC address blocks: 12090 AfriNIC Region origin ASes present in the Internet Routing Table: 1705 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1048 Number of AfriNIC addresses announced to Internet: 108161792 Equivalent to 6 /8s, 114 /16s and 107 /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 9244 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3628 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3108 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2696 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2163 440 214 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 7762 10638 2896 AMAZON-02, US 11492 4543 301 580 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3688 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3457 1783 2510 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 7018 2616 24133 1585 ATT-INTERNET4, US 396982 2573 3493 368 GOOGLE-CLOUD-PLATFORM, US 30036 2572 369 359 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 6963 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4047 3399 175 AKAMAI-ASN1, NL 8551 3912 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2645 252 1352 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1818 943 538 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 10975 3338 588 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2204 361 591 Mega Cable, S.A. de C.V., MX 28573 1342 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1135 186 467 Techtel LMDS Comunicaciones Interactiva 26615 991 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 1463 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1241 550 98 MT-MPLS, MA 29571 1014 67 43 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 525 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 372 319 72 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 10975 3338 588 Uninet S.A. de C.V., MX 9808 9244 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7762 10638 2896 AMAZON-02, US 12479 6963 1706 146 UNI2-AS, ES 7545 5939 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4543 301 580 CABLEONE, US 20940 4047 3399 175 AKAMAI-ASN1, NL 8551 3912 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3894 265 33 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 9244 9197 CHINAMOBILE-CN China Mobile Communications Grou 12479 6963 6817 UNI2-AS, ES 7545 5939 5239 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7762 4866 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4543 3963 CABLEONE, US 8551 3912 3874 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4047 3872 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 7552 3628 3607 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 /13:580 /14:1198 /15:2078 /16:13481 /17:8232 /18:13777 /19:24818 /20:42732 /21:50826 /22:108760 /23:96649 /24:538994 /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 6016 6963 UNI2-AS, ES 8151 4989 10975 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3452 4543 CABLEONE, US 8551 3377 3912 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3688 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2229 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2045 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1622 2:1226 3:167 4:5 5:4103 6:110 7:5 8:1522 9:1 11:172 12:1594 13:373 14:2322 15:285 16:79 17:369 18:414 20:243 21:4 22:188 23:6048 24:2457 25:4 27:2648 29:19 31:2500 32:99 34:8 35:95 36:1871 37:4587 38:4004 39:831 40:144 41:3937 42:1042 43:2286 44:303 45:16428 46:4194 47:374 49:1727 50:1929 51:378 52:1545 54:395 55:864 56:8 57:78 58:1677 59:1107 60:1007 61:2419 62:2644 63:1939 64:5622 65:2321 66:4894 67:3041 68:1346 69:4076 70:1253 71:655 72:2983 74:2589 75:1465 76:594 77:2363 78:1826 79:3166 80:2069 81:1682 82:1481 83:1224 84:1491 85:2960 86:746 87:1922 88:1202 89:3547 90:583 91:7642 92:1982 93:2575 94:3524 95:3918 96:1315 97:344 98:1163 99:737 100:75 101:1292 102:2520 103:30669 104:4590 105:483 106:839 107:2533 108:904 109:4363 110:2043 111:3265 112:2024 113:1466 114:1602 115:2029 116:1873 117:2508 118:2288 119:1866 120:1717 121:1043 122:2578 123:2136 124:1554 125:2272 128:1239 129:1048 130:963 131:2004 132:828 133:405 134:1897 135:297 136:892 137:920 138:2582 139:1523 140:1019 141:1481 142:1414 143:1439 144:1187 145:350 146:1878 147:1540 148:2268 149:1864 150:862 151:1133 152:1970 153:478 154:3860 155:1401 156:1648 157:1299 158:1044 159:2251 160:2571 161:1414 162:3533 163:1469 164:1680 165:1667 166:820 167:1751 168:3837 169:916 170:4579 171:889 172:3489 173:3057 174:1026 175:1160 176:3704 177:4730 178:3547 179:2151 180:2414 181:3359 182:3241 183:1936 184:2345 185:19992 186:4650 187:3931 188:4073 189:3439 190:9020 191:1436 192:10944 193:8836 194:7204 195:5092 196:3063 197:2397 198:5928 199:6074 200:7658 201:5873 202:10217 203:10006 204:4593 205:3505 206:3786 207:3340 208:4087 209:4783 210:4152 211:2383 212:4069 213:3546 214:1107 215:55 216:6585 217:2632 218:1253 219:408 220:1779 221:964 222:662 223:1970 End of report