IPv4 R&E Routing Table Report 23:05 GMT Sun 02 Oct, 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: 895298 Prefixes after maximum aggregation (per Origin AS): 340507 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440104 Number of IPv4 prefixes with a valid ROA: 353526 Number of IPv4 prefixes with an invalid ROA: 1627 Number of IPv4 prefixes with no ROA: 540145 Total ASes present in the Internet Routing Table: 73536 Prefixes per ASN: 12.17 Origin-only ASes present in the Internet Routing Table: 63177 Origin ASes announcing only one prefix: 26003 Transit ASes present in the Internet Routing Table: 10359 Transit-only ASes present in the Internet Routing Table: 400 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: 1045 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 40324 Number of 32-bit ASNs visible in the Routing Table: 33403 Prefixes from 32-bit ASNs in the Routing Table: 160331 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3064753664 Equivalent to 182 /8s, 172 /16s and 110 /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: 300860 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231577 Total APNIC prefixes after maximum aggregation: 66997 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226472 Unique aggregates announced from the APNIC address blocks: 96381 APNIC Region origin ASes present in the Internet Routing Table: 12907 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1735 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: 8207 Number of APNIC addresses announced to Internet: 773275904 Equivalent to 46 /8s, 23 /16s and 65 /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: 264499 Total ARIN prefixes after maximum aggregation: 120852 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265430 Unique aggregates announced from the ARIN address blocks: 128407 ARIN Region origin ASes present in the Internet Routing Table: 18998 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1870 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4609 Number of ARIN addresses announced to Internet: 1290781184 Equivalent to 76 /8s, 239 /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: 253014 Total RIPE prefixes after maximum aggregation: 118548 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250044 Unique aggregates announced from the RIPE address blocks: 153852 RIPE Region origin ASes present in the Internet Routing Table: 28186 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 4004 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: 10835 Number of RIPE addresses announced to Internet: 716623872 Equivalent to 42 /8s, 182 /16s and 208 /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: 116324 Total LACNIC prefixes after maximum aggregation: 27769 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115939 Unique aggregates announced from the LACNIC address blocks: 49086 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2708 LACNIC Region transit ASes present in the Internet Routing Table: 2237 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: 8737 Number of LACNIC addresses announced to Internet: 176018688 Equivalent to 10 /8s, 125 /16s and 213 /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: 28839 Total AfriNIC prefixes after maximum aggregation: 5561 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 36914 Unique aggregates announced from the AfriNIC address blocks: 11960 AfriNIC Region origin ASes present in the Internet Routing Table: 1681 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1015 Number of AfriNIC addresses announced to Internet: 107772416 Equivalent to 6 /8s, 108 /16s and 122 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5924 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2456 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2232 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2226 11251 595 KIXS-AS-KR Korea Telecom, KR 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2131 425 216 TATACOMM-AS TATA Communications formerl 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 7336 10561 2805 AMAZON-02, US 11492 4548 301 624 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3762 3062 339 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3536 1843 2536 AKAMAI-AS, US 6327 3490 1319 64 SHAW, CA 749 3030 50696 2297 DNIC-AS-00749, US 30036 2597 367 302 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2545 3479 343 GOOGLE-CLOUD-PLATFORM, US 209 2347 4935 394 CENTURYLINK-US-LEGACY-QWEST, 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 6888 1730 144 UNI2-AS, ES 20940 4081 3393 188 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2611 252 1340 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2250 358 628 TELLCOM-AS, TR 58224 1788 930 544 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 11031 3392 560 Uninet S.A. de C.V., MX 10620 3484 513 829 Telmex Colombia S.A., CO 11830 2303 369 64 Instituto Costarricense de Electricidad 13999 2041 333 529 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1139 369 21 Telefonica del Peru S.A.A., PE 11664 1067 180 463 Techtel LMDS Comunicaciones Interactiva 26615 987 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 24863 1569 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1006 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 523 53 41 WANANCHI-, KE 36914 483 82 3 KENET-AS, KE 37342 479 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 11031 3392 560 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7336 10561 2805 AMAZON-02, US 12479 6888 1730 144 UNI2-AS, ES 7545 5924 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 624 CABLEONE, US 20940 4081 3393 188 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6888 6744 UNI2-AS, ES 7545 5924 5226 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7336 4531 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4548 3924 CABLEONE, US 20940 4081 3893 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 25674 UNALLOCATED 8.12.76.0/24 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /13:586 /14:1194 /15:2078 /16:13465 /17:8287 /18:13771 /19:24728 /20:43034 /21:50894 /22:108104 /23:95914 /24:532774 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5896 6888 UNI2-AS, ES 8151 4770 11031 Uninet S.A. de C.V., MX 11492 3471 4548 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3299 3490 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2790 3762 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2256 2597 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1025 3:166 4:5 5:3917 6:116 7:6 8:1558 9:1 11:173 12:1625 13:344 14:2360 15:266 16:67 17:361 18:333 20:238 21:4 22:188 23:5935 24:2445 25:6 27:2665 29:19 31:2434 32:91 34:7 35:89 36:1891 37:4482 38:3608 39:745 40:158 41:4011 42:1165 43:2244 44:292 45:16138 46:4165 47:370 49:1717 50:1927 51:242 52:1500 54:388 55:849 56:8 57:77 58:1724 59:1109 60:988 61:2366 62:2545 63:1917 64:5606 65:2309 66:4830 67:2950 68:1202 69:4164 70:1306 71:677 72:2978 74:2637 75:1480 76:589 77:2253 78:1856 79:3141 80:2047 81:1640 82:1513 83:1211 84:1414 85:2925 86:734 87:1908 88:1167 89:3393 90:543 91:7579 92:2036 93:2542 94:3540 95:3844 96:1334 97:343 98:1031 99:737 100:77 101:1295 102:2326 103:30110 104:4545 105:472 106:887 107:2536 108:892 109:4298 110:2010 111:3278 112:2041 113:1478 114:1508 115:1979 116:1887 117:2486 118:2325 119:1826 120:1707 121:1010 122:2538 123:2096 124:1516 125:2099 128:1175 129:993 130:960 131:2027 132:816 133:376 134:1892 135:293 136:863 137:882 138:2520 139:1510 140:1040 141:1476 142:1352 143:1388 144:1196 145:346 146:1849 147:1512 148:2230 149:1818 150:877 151:1105 152:1935 153:468 154:3816 155:1426 156:1677 157:1295 158:1039 159:2192 160:2537 161:1355 162:3503 163:1407 164:1667 165:1652 166:788 167:1723 168:3796 169:865 170:4543 171:852 172:3395 173:3096 174:1013 175:1161 176:3603 177:4690 178:3558 179:2144 180:2365 181:3250 182:3194 183:1939 184:2355 185:19779 186:4599 187:3927 188:4005 189:3482 190:8972 191:1448 192:10974 193:8708 194:7141 195:5034 196:3059 197:2567 198:5938 199:6027 200:7589 201:5788 202:10158 203:9987 204:4516 205:3465 206:3806 207:3376 208:4029 209:4722 210:4117 211:2325 212:4038 213:3546 214:1114 215:54 216:6419 217:2631 218:1268 219:404 220:1776 221:921 222:649 223:1979 End of report