IPv4 R&E Routing Table Report 23:05 GMT Fri 13 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: 902811 Prefixes after maximum aggregation (per Origin AS): 344293 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444909 Number of IPv4 prefixes with a valid ROA: 368467 Number of IPv4 prefixes with an invalid ROA: 1524 Number of IPv4 prefixes with no ROA: 532820 Total ASes present in the Internet Routing Table: 73926 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63490 Origin ASes announcing only one prefix: 26155 Transit ASes present in the Internet Routing Table: 10436 Transit-only ASes present in the Internet Routing Table: 422 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: 1001 Number of instances of unregistered ASNs: 1010 Number of 32-bit ASNs allocated by the RIRs: 41040 Number of 32-bit ASNs visible in the Routing Table: 33989 Prefixes from 32-bit ASNs in the Routing Table: 165664 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: 505 Number of addresses announced to Internet: 3062800384 Equivalent to 182 /8s, 142 /16s and 160 /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: 303707 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233269 Total APNIC prefixes after maximum aggregation: 68002 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228370 Unique aggregates announced from the APNIC address blocks: 97495 APNIC Region origin ASes present in the Internet Routing Table: 13143 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3820 APNIC Region transit ASes present in the Internet Routing Table: 1764 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: 8465 Number of APNIC addresses announced to Internet: 773212672 Equivalent to 46 /8s, 22 /16s and 74 /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: 266405 Total ARIN prefixes after maximum aggregation: 121317 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267873 Unique aggregates announced from the ARIN address blocks: 129656 ARIN Region origin ASes present in the Internet Routing Table: 19024 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 7000 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4717 Number of ARIN addresses announced to Internet: 1285902848 Equivalent to 76 /8s, 165 /16s and 82 /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: 255695 Total RIPE prefixes after maximum aggregation: 120245 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252435 Unique aggregates announced from the RIPE address blocks: 156286 RIPE Region origin ASes present in the Internet Routing Table: 28231 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 4000 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: 10983 Number of RIPE addresses announced to Internet: 719230720 Equivalent to 42 /8s, 222 /16s and 151 /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: 117326 Total LACNIC prefixes after maximum aggregation: 28263 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116547 Unique aggregates announced from the LACNIC address blocks: 48967 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2671 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: 8773 Number of LACNIC addresses announced to Internet: 176012800 Equivalent to 10 /8s, 125 /16s and 190 /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: 29115 Total AfriNIC prefixes after maximum aggregation: 5707 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37081 Unique aggregates announced from the AfriNIC address blocks: 12094 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 322 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: 1051 Number of AfriNIC addresses announced to Internet: 108147968 Equivalent to 6 /8s, 114 /16s and 53 /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 9348 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3626 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 2701 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2262 11249 587 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 7748 10697 2936 AMAZON-02, US 11492 4542 301 589 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3687 3063 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3438 1772 2503 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2625 24133 1594 ATT-INTERNET4, US 396982 2576 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2568 368 367 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 6965 1706 146 UNI2-AS, ES 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4032 3399 173 AKAMAI-ASN1, NL 8551 3908 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2656 253 1357 M247, RO 34984 2254 358 610 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 10929 3337 589 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 2209 362 594 Mega Cable, S.A. de C.V., MX 28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 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 1004 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 1477 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1005 67 46 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 526 53 45 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 489 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 10929 3337 589 Uninet S.A. de C.V., MX 9808 9348 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7748 10697 2936 AMAZON-02, US 12479 6965 1706 146 UNI2-AS, ES 7545 5939 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4542 301 589 CABLEONE, US 20940 4032 3399 173 AKAMAI-ASN1, NL 8551 3908 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 9348 9301 CHINAMOBILE-CN China Mobile Communications Grou 12479 6965 6819 UNI2-AS, ES 7545 5939 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7748 4812 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4542 3953 CABLEONE, US 8551 3908 3870 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 20940 4032 3859 AKAMAI-ASN1, NL 7552 3626 3605 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 /17:8235 /18:13778 /19:24822 /20:42705 /21:50788 /22:108835 /23:96684 /24:539152 /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 6025 6965 UNI2-AS, ES 8151 4978 10929 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3449 4542 CABLEONE, US 8551 3373 3908 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3687 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2225 2568 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) ---------------------------------------------- 1:1625 2:1229 3:168 4:5 5:4114 6:110 7:5 8:1532 9:1 11:172 12:1595 13:371 14:2320 15:285 16:79 17:369 18:412 20:243 21:4 22:188 23:6032 24:2454 25:4 27:2646 29:19 31:2500 32:99 34:8 35:98 36:1887 37:4606 38:3992 39:828 40:155 41:3951 42:1038 43:2292 44:303 45:16364 46:4160 47:374 49:1728 50:1913 51:378 52:1543 54:394 55:848 56:8 57:78 58:1676 59:1106 60:1007 61:2416 62:2648 63:1940 64:5644 65:2322 66:4894 67:3051 68:1342 69:4106 70:1254 71:656 72:2976 74:2581 75:1465 76:594 77:2368 78:1822 79:3161 80:2071 81:1679 82:1479 83:1227 84:1495 85:2962 86:745 87:1922 88:1198 89:3545 90:591 91:7637 92:1982 93:2566 94:3522 95:3923 96:1306 97:346 98:1166 99:739 100:75 101:1293 102:2553 103:30704 104:4577 105:484 106:842 107:2532 108:909 109:4345 110:2041 111:3263 112:2040 113:1465 114:1602 115:2018 116:1875 117:2537 118:2293 119:1865 120:1736 121:1045 122:2577 123:2147 124:1556 125:2275 128:1250 129:1047 130:963 131:2005 132:828 133:405 134:1898 135:297 136:891 137:921 138:2578 139:1534 140:1019 141:1479 142:1415 143:1443 144:1180 145:350 146:1885 147:1542 148:2272 149:1865 150:862 151:1131 152:1972 153:478 154:3867 155:1404 156:1643 157:1301 158:1043 159:2266 160:2568 161:1422 162:3528 163:1474 164:1684 165:1669 166:821 167:1754 168:3850 169:918 170:4577 171:886 172:3487 173:3006 174:1025 175:1159 176:3708 177:4760 178:3551 179:2138 180:2412 181:3348 182:3240 183:1931 184:2337 185:19964 186:4654 187:3929 188:4065 189:3435 190:9031 191:1423 192:10932 193:8835 194:7217 195:5104 196:3096 197:2397 198:5923 199:6081 200:7656 201:5878 202:10222 203:10006 204:4603 205:3503 206:3789 207:3356 208:4075 209:4790 210:4157 211:2384 212:4074 213:3562 214:1102 215:55 216:6590 217:2635 218:1257 219:410 220:1766 221:968 222:665 223:1970 End of report