IPv4 R&E Routing Table Report 23:05 GMT Fri 04 Nov, 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: 898240 Prefixes after maximum aggregation (per Origin AS): 342039 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441268 Number of IPv4 prefixes with a valid ROA: 359597 Number of IPv4 prefixes with an invalid ROA: 1630 Number of IPv4 prefixes with no ROA: 537013 Total ASes present in the Internet Routing Table: 73617 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63297 Origin ASes announcing only one prefix: 26034 Transit ASes present in the Internet Routing Table: 10320 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1002 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 40569 Number of 32-bit ASNs visible in the Routing Table: 33581 Prefixes from 32-bit ASNs in the Routing Table: 162392 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3063560192 Equivalent to 182 /8s, 154 /16s and 56 /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: 301936 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232297 Total APNIC prefixes after maximum aggregation: 67365 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227311 Unique aggregates announced from the APNIC address blocks: 96837 APNIC Region origin ASes present in the Internet Routing Table: 12990 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3758 APNIC Region transit ASes present in the Internet Routing Table: 1748 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8294 Number of APNIC addresses announced to Internet: 773279488 Equivalent to 46 /8s, 23 /16s and 79 /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: 265869 Total ARIN prefixes after maximum aggregation: 121113 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267287 Unique aggregates announced from the ARIN address blocks: 128935 ARIN Region origin ASes present in the Internet Routing Table: 19018 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1866 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: 4655 Number of ARIN addresses announced to Internet: 1289691904 Equivalent to 76 /8s, 223 /16s and 35 /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: 253610 Total RIPE prefixes after maximum aggregation: 119294 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250378 Unique aggregates announced from the RIPE address blocks: 154663 RIPE Region origin ASes present in the Internet Routing Table: 28136 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 3973 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10852 Number of RIPE addresses announced to Internet: 716467456 Equivalent to 42 /8s, 180 /16s and 109 /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: 116683 Total LACNIC prefixes after maximum aggregation: 27902 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116091 Unique aggregates announced from the LACNIC address blocks: 48480 LACNIC Region origin ASes present in the Internet Routing Table: 10982 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2703 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8750 Number of LACNIC addresses announced to Internet: 175853568 Equivalent to 10 /8s, 123 /16s and 80 /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: 28779 Total AfriNIC prefixes after maximum aggregation: 5616 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36664 Unique aggregates announced from the AfriNIC address blocks: 11933 AfriNIC Region origin ASes present in the Internet Routing Table: 1703 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 594 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1030 Number of AfriNIC addresses announced to Internet: 107983104 Equivalent to 6 /8s, 111 /16s and 177 /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 9082 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5942 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3600 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3514 1043 62 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3393 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2500 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2290 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2261 850 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2157 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 7555 10611 2905 AMAZON-02, US 11492 4584 304 555 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3756 3061 340 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3555 1858 2544 AKAMAI-AS, US 6327 3517 1320 63 SHAW, CA 749 3066 50661 2333 DNIC-AS-00749, US 7018 2614 24058 1574 ATT-INTERNET4, US 30036 2599 371 285 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2560 3480 351 GOOGLE-CLOUD-PLATFORM, 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 6920 1730 144 UNI2-AS, ES 20940 4103 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2290 912 ROSTELECOM-AS, RU 9009 2624 252 1348 M247, RO 6849 2331 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1771 929 542 TCI, IR 13188 1607 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 10788 3345 604 Uninet S.A. de C.V., MX 10620 3472 510 839 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2100 341 544 Mega Cable, S.A. de C.V., MX 28573 1331 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1110 182 471 Techtel LMDS Comunicaciones Interactiva 6147 1083 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 1573 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 831 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 490 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10788 3345 604 Uninet S.A. de C.V., MX 9808 9082 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7555 10611 2905 AMAZON-02, US 12479 6920 1730 144 UNI2-AS, ES 7545 5942 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4584 304 555 CABLEONE, US 20940 4103 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 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 9082 9035 CHINAMOBILE-CN China Mobile Communications Grou 12479 6920 6776 UNI2-AS, ES 7545 5942 5246 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7555 4650 AMAZON-02, US 11492 4584 4029 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4103 3929 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3600 3580 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 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 /13:584 /14:1194 /15:2079 /16:13483 /17:8285 /18:13855 /19:24790 /20:43000 /21:50769 /22:108555 /23:96151 /24:535026 /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 5925 6920 UNI2-AS, ES 8151 4741 10788 Uninet S.A. de C.V., MX 11492 3491 4584 CABLEONE, US 8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3325 3517 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2779 3756 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2191 2331 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1016 3:166 4:5 5:4016 6:118 7:5 8:1556 9:1 11:173 12:1619 13:350 14:2373 15:280 16:69 17:360 18:373 20:236 21:4 22:188 23:5988 24:2447 25:6 27:2704 29:19 31:2463 32:90 34:7 35:95 36:1820 37:4500 38:3727 39:771 40:144 41:3927 42:1170 43:2225 44:301 45:16281 46:4184 47:367 49:1699 50:1921 51:244 52:1497 54:398 55:848 56:8 57:79 58:1720 59:1110 60:1002 61:2403 62:2555 63:1956 64:5617 65:2326 66:4825 67:2994 68:1377 69:4129 70:1294 71:678 72:2994 74:2637 75:1475 76:597 77:2220 78:1823 79:3147 80:2057 81:1684 82:1478 83:1213 84:1434 85:2945 86:728 87:1916 88:1166 89:3417 90:550 91:7598 92:2039 93:2552 94:3521 95:3860 96:1349 97:350 98:1170 99:739 100:69 101:1298 102:2402 103:30311 104:4534 105:479 106:893 107:2551 108:903 109:4324 110:2010 111:3274 112:2047 113:1493 114:1517 115:1998 116:1872 117:2475 118:2325 119:1839 120:1676 121:1021 122:2557 123:2106 124:1512 125:2109 128:1207 129:969 130:965 131:2012 132:829 133:378 134:1908 135:290 136:880 137:904 138:2511 139:1512 140:1113 141:1467 142:1386 143:1406 144:1195 145:354 146:1868 147:1527 148:2246 149:1833 150:872 151:1138 152:1954 153:453 154:3804 155:1438 156:1617 157:1297 158:1036 159:2203 160:2571 161:1386 162:3512 163:1429 164:1678 165:1646 166:815 167:1725 168:3815 169:894 170:4548 171:849 172:3479 173:3103 174:1029 175:1170 176:3593 177:4805 178:3515 179:2125 180:2377 181:3342 182:3198 183:1936 184:2358 185:19874 186:4557 187:3985 188:3981 189:3437 190:9026 191:1436 192:10995 193:8740 194:7155 195:5070 196:2980 197:2464 198:5935 199:6049 200:7539 201:5797 202:10148 203:10029 204:4590 205:3473 206:3847 207:3360 208:4072 209:4762 210:4124 211:2331 212:4003 213:3494 214:1100 215:53 216:6526 217:2627 218:1266 219:406 220:1792 221:923 222:660 223:1981 End of report