IPv4 R&E Routing Table Report 23:05 GMT Tue 27 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: 901868 Prefixes after maximum aggregation (per Origin AS): 343731 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444357 Number of IPv4 prefixes with a valid ROA: 365939 Number of IPv4 prefixes with an invalid ROA: 1535 Number of IPv4 prefixes with no ROA: 534394 Total ASes present in the Internet Routing Table: 73816 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63394 Origin ASes announcing only one prefix: 26108 Transit ASes present in the Internet Routing Table: 10422 Transit-only ASes present in the Internet Routing Table: 417 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: 1004 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 40976 Number of 32-bit ASNs visible in the Routing Table: 33876 Prefixes from 32-bit ASNs in the Routing Table: 164978 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 508 Number of addresses announced to Internet: 3064822272 Equivalent to 182 /8s, 173 /16s and 122 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 303511 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233249 Total APNIC prefixes after maximum aggregation: 67817 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228185 Unique aggregates announced from the APNIC address blocks: 97416 APNIC Region origin ASes present in the Internet Routing Table: 13111 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3821 APNIC Region transit ASes present in the Internet Routing Table: 1762 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8428 Number of APNIC addresses announced to Internet: 773137408 Equivalent to 46 /8s, 21 /16s and 36 /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: 266347 Total ARIN prefixes after maximum aggregation: 121343 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267811 Unique aggregates announced from the ARIN address blocks: 129435 ARIN Region origin ASes present in the Internet Routing Table: 18993 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1888 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: 4691 Number of ARIN addresses announced to Internet: 1287766528 Equivalent to 76 /8s, 193 /16s and 194 /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: 255220 Total RIPE prefixes after maximum aggregation: 119933 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252049 Unique aggregates announced from the RIPE address blocks: 156147 RIPE Region origin ASes present in the Internet Routing Table: 28196 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 3983 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: 10942 Number of RIPE addresses announced to Internet: 719531520 Equivalent to 42 /8s, 227 /16s and 46 /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: 117333 Total LACNIC prefixes after maximum aggregation: 28183 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116594 Unique aggregates announced from the LACNIC address blocks: 48921 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2270 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: 175991040 Equivalent to 10 /8s, 125 /16s and 105 /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: 28715 Total AfriNIC prefixes after maximum aggregation: 5702 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36721 Unique aggregates announced from the AfriNIC address blocks: 12029 AfriNIC Region origin ASes present in the Internet Routing Table: 1714 AfriNIC Prefixes per ASN: 21.42 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 1053 Number of AfriNIC addresses announced to Internet: 108103168 Equivalent to 6 /8s, 113 /16s and 134 /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 9170 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3367 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2680 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2273 11247 591 KIXS-AS-KR Korea Telecom, KR 4755 2161 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 10632 2938 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3691 3063 322 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3456 1788 2506 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2610 24131 1583 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 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 6960 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4034 3399 175 AKAMAI-ASN1, NL 8551 3696 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 907 ROSTELECOM-AS, RU 9009 2647 252 1357 M247, RO 34984 2254 358 611 TELLCOM-AS, TR 6849 2195 339 20 UKRTELNET, UA 58224 1800 942 530 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 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2256 369 64 Instituto Costarricense de Electricidad 13999 2193 359 587 Mega Cable, S.A. de C.V., MX 28573 1341 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 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1132 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 1516 537 32 RAYA-AS, EG 24863 1464 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 372 319 71 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 10929 3340 593 Uninet S.A. de C.V., MX 9808 9170 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7728 10632 2938 AMAZON-02, US 12479 6960 1706 146 UNI2-AS, ES 7545 5945 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4034 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3696 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9170 9123 CHINAMOBILE-CN China Mobile Communications Grou 12479 6960 6814 UNI2-AS, ES 7545 5945 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7728 4790 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 7155 3894 3861 VIASAT-SP-BACKBONE, US 20940 4034 3859 AKAMAI-ASN1, NL 8551 3696 3658 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3624 3603 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 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, 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 /12:296 /13:585 /14:1198 /15:2078 /16:13484 /17:8231 /18:13784 /19:24810 /20:42859 /21:50818 /22:108710 /23:96510 /24:538328 /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 6005 6960 UNI2-AS, ES 8151 4915 10929 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3161 3696 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2726 3691 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2195 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1620 2:1224 3:168 4:5 5:4110 6:110 7:5 8:1532 9:1 11:172 12:1595 13:368 14:2356 15:282 16:76 17:370 18:408 20:243 21:4 22:188 23:5995 24:2450 25:4 27:2711 29:19 31:2501 32:101 34:8 35:95 36:1850 37:4632 38:3954 39:821 40:144 41:3906 42:1042 43:2290 44:307 45:16414 46:4238 47:373 49:1708 50:1932 51:374 52:1542 54:395 55:735 56:8 57:81 58:1680 59:1105 60:1006 61:2428 62:2597 63:1937 64:5622 65:2322 66:4895 67:3033 68:1361 69:4130 70:1254 71:656 72:2991 74:2587 75:1465 76:594 77:2354 78:1828 79:2938 80:2069 81:1691 82:1486 83:1230 84:1495 85:2970 86:740 87:1925 88:1195 89:3511 90:590 91:7634 92:1984 93:2564 94:3500 95:3905 96:1315 97:344 98:1175 99:741 100:75 101:1290 102:2541 103:30659 104:4588 105:483 106:849 107:2544 108:909 109:4395 110:2043 111:3264 112:2024 113:1491 114:1600 115:2009 116:1868 117:2474 118:2281 119:1860 120:1697 121:1034 122:2574 123:2139 124:1533 125:2255 128:1225 129:1047 130:962 131:1997 132:831 133:404 134:1893 135:297 136:887 137:920 138:2582 139:1498 140:1020 141:1488 142:1410 143:1444 144:1185 145:352 146:1880 147:1513 148:2266 149:1846 150:862 151:1145 152:1962 153:476 154:3795 155:1410 156:1631 157:1293 158:1043 159:2235 160:2575 161:1426 162:3538 163:1466 164:1678 165:1659 166:816 167:1750 168:3842 169:918 170:4565 171:887 172:3513 173:3056 174:1025 175:1157 176:3628 177:4779 178:3524 179:2152 180:2408 181:3365 182:3239 183:1936 184:2364 185:19976 186:4644 187:3925 188:4085 189:3433 190:9030 191:1471 192:10961 193:8823 194:7179 195:5074 196:3058 197:2396 198:5925 199:6079 200:7647 201:5870 202:10224 203:10000 204:4600 205:3506 206:3770 207:3344 208:4100 209:4799 210:4153 211:2383 212:4059 213:3535 214:1105 215:55 216:6586 217:2645 218:1249 219:409 220:1780 221:953 222:663 223:1976 End of report