IPv4 R&E Routing Table Report 23:05 GMT Thu 12 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: 902840 Prefixes after maximum aggregation (per Origin AS): 344311 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444920 Number of IPv4 prefixes with a valid ROA: 368213 Number of IPv4 prefixes with an invalid ROA: 1511 Number of IPv4 prefixes with no ROA: 533116 Total ASes present in the Internet Routing Table: 73917 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63471 Origin ASes announcing only one prefix: 26135 Transit ASes present in the Internet Routing Table: 10446 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1003 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 41030 Number of 32-bit ASNs visible in the Routing Table: 33982 Prefixes from 32-bit ASNs in the Routing Table: 165723 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: 510 Number of addresses announced to Internet: 3062726656 Equivalent to 182 /8s, 141 /16s and 128 /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: 303697 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233303 Total APNIC prefixes after maximum aggregation: 68007 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228387 Unique aggregates announced from the APNIC address blocks: 97509 APNIC Region origin ASes present in the Internet Routing Table: 13140 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3822 APNIC Region transit ASes present in the Internet Routing Table: 1765 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: 8459 Number of APNIC addresses announced to Internet: 773317376 Equivalent to 46 /8s, 23 /16s and 227 /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: 266360 Total ARIN prefixes after maximum aggregation: 121367 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267833 Unique aggregates announced from the ARIN address blocks: 129615 ARIN Region origin ASes present in the Internet Routing Table: 19019 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6993 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: 4715 Number of ARIN addresses announced to Internet: 1285770496 Equivalent to 76 /8s, 163 /16s and 77 /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: 255745 Total RIPE prefixes after maximum aggregation: 120215 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252477 Unique aggregates announced from the RIPE address blocks: 156329 RIPE Region origin ASes present in the Internet Routing Table: 28232 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 4002 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: 10986 Number of RIPE addresses announced to Internet: 719265024 Equivalent to 42 /8s, 223 /16s and 29 /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: 117385 Total LACNIC prefixes after maximum aggregation: 28255 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116596 Unique aggregates announced from the LACNIC address blocks: 48941 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2274 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: 8772 Number of LACNIC addresses announced to Internet: 175885312 Equivalent to 10 /8s, 123 /16s and 204 /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: 29044 Total AfriNIC prefixes after maximum aggregation: 5706 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37037 Unique aggregates announced from the AfriNIC address blocks: 12110 AfriNIC Region origin ASes present in the Internet Routing Table: 1706 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1050 Number of AfriNIC addresses announced to Internet: 108195584 Equivalent to 6 /8s, 114 /16s and 239 /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 9349 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5938 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3629 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3109 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2700 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2354 847 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2164 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 7716 10690 2931 AMAZON-02, US 11492 4552 301 572 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3688 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3448 1777 2509 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2626 24133 1595 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2569 369 376 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 6957 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4038 3399 173 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2651 252 1354 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1821 944 535 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 10988 3338 588 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2206 361 592 Mega Cable, S.A. de C.V., MX 28573 1345 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 1136 186 465 Techtel LMDS Comunicaciones Interactiva 26615 1003 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 1478 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 42 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 490 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 10988 3338 588 Uninet S.A. de C.V., MX 9808 9349 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7716 10690 2931 AMAZON-02, US 12479 6957 1706 146 UNI2-AS, ES 7545 5938 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4552 301 572 CABLEONE, US 20940 4038 3399 173 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3895 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 9349 9302 CHINAMOBILE-CN China Mobile Communications Grou 12479 6957 6811 UNI2-AS, ES 7545 5938 5238 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7716 4785 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4552 3980 CABLEONE, US 8551 3909 3871 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4038 3865 AKAMAI-ASN1, NL 7155 3895 3862 VIASAT-SP-BACKBONE, US 7552 3629 3608 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 3402 UNALLOCATED 8.2.200.0/21 6939 HURRICANE, US 3402 UNALLOCATED 8.2.207.0/24 2914 NTT-LTD-2914, 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 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 /14:1199 /15:2078 /16:13483 /17:8232 /18:13771 /19:24825 /20:42704 /21:50830 /22:108768 /23:96688 /24:539210 /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 6017 6957 UNI2-AS, ES 8151 5001 10988 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3459 4552 CABLEONE, US 8551 3374 3909 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2725 3688 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2226 2569 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) ---------------------------------------------- 1:1612 2:1230 3:168 4:5 5:4113 6:110 7:5 8:1532 9:1 11:172 12:1595 13:369 14:2319 15:285 16:79 17:369 18:413 20:243 21:4 22:188 23:6034 24:2454 25:4 27:2645 29:19 31:2501 32:97 34:8 35:97 36:1888 37:4592 38:4003 39:831 40:154 41:3948 42:1038 43:2294 44:302 45:16372 46:4149 47:374 49:1728 50:1915 51:378 52:1543 54:393 55:863 56:8 57:78 58:1676 59:1107 60:1006 61:2417 62:2648 63:1939 64:5644 65:2320 66:4894 67:3049 68:1341 69:4078 70:1254 71:656 72:2975 74:2574 75:1465 76:588 77:2368 78:1829 79:3162 80:2071 81:1678 82:1477 83:1225 84:1494 85:2962 86:745 87:1928 88:1202 89:3545 90:590 91:7649 92:1984 93:2562 94:3522 95:3921 96:1308 97:345 98:1166 99:739 100:75 101:1292 102:2550 103:30699 104:4580 105:484 106:842 107:2535 108:906 109:4379 110:2042 111:3262 112:2037 113:1466 114:1603 115:2019 116:1874 117:2537 118:2292 119:1865 120:1735 121:1046 122:2577 123:2140 124:1554 125:2275 128:1249 129:1048 130:963 131:2006 132:827 133:405 134:1899 135:298 136:886 137:925 138:2582 139:1540 140:1019 141:1482 142:1415 143:1444 144:1184 145:350 146:1883 147:1538 148:2273 149:1868 150:859 151:1130 152:1974 153:478 154:3886 155:1402 156:1645 157:1300 158:1044 159:2261 160:2565 161:1421 162:3531 163:1473 164:1679 165:1665 166:822 167:1752 168:3847 169:918 170:4574 171:886 172:3489 173:3011 174:1024 175:1160 176:3709 177:4751 178:3550 179:2140 180:2412 181:3345 182:3240 183:1932 184:2344 185:19992 186:4659 187:3926 188:4072 189:3444 190:9041 191:1417 192:10925 193:8843 194:7219 195:5101 196:3093 197:2398 198:5924 199:6083 200:7647 201:5884 202:10221 203:10010 204:4594 205:3496 206:3789 207:3355 208:4080 209:4788 210:4158 211:2388 212:4079 213:3565 214:1101 215:55 216:6587 217:2631 218:1257 219:410 220:1781 221:968 222:664 223:1971 End of report