IPv4 R&E Routing Table Report 23:05 GMT Sun 06 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: 898501 Prefixes after maximum aggregation (per Origin AS): 342041 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441365 Number of IPv4 prefixes with a valid ROA: 359716 Number of IPv4 prefixes with an invalid ROA: 1674 Number of IPv4 prefixes with no ROA: 537111 Total ASes present in the Internet Routing Table: 73620 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63294 Origin ASes announcing only one prefix: 26020 Transit ASes present in the Internet Routing Table: 10326 Transit-only ASes present in the Internet Routing Table: 402 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: 987 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 40593 Number of 32-bit ASNs visible in the Routing Table: 33587 Prefixes from 32-bit ASNs in the Routing Table: 162333 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: 498 Number of addresses announced to Internet: 3063646208 Equivalent to 182 /8s, 155 /16s and 136 /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: 302115 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232327 Total APNIC prefixes after maximum aggregation: 67348 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227348 Unique aggregates announced from the APNIC address blocks: 96848 APNIC Region origin ASes present in the Internet Routing Table: 12991 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3757 APNIC Region transit ASes present in the Internet Routing Table: 1749 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: 8296 Number of APNIC addresses announced to Internet: 773278720 Equivalent to 46 /8s, 23 /16s and 76 /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: 265816 Total ARIN prefixes after maximum aggregation: 121108 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 267187 Unique aggregates announced from the ARIN address blocks: 128900 ARIN Region origin ASes present in the Internet Routing Table: 19020 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6983 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4655 Number of ARIN addresses announced to Internet: 1289683712 Equivalent to 76 /8s, 223 /16s and 3 /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: 253820 Total RIPE prefixes after maximum aggregation: 119327 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250555 Unique aggregates announced from the RIPE address blocks: 154704 RIPE Region origin ASes present in the Internet Routing Table: 28145 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11994 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 10859 Number of RIPE addresses announced to Internet: 716485632 Equivalent to 42 /8s, 180 /16s and 180 /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: 116716 Total LACNIC prefixes after maximum aggregation: 27907 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116123 Unique aggregates announced from the LACNIC address blocks: 48558 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: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2223 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: 8749 Number of LACNIC addresses announced to Internet: 175943680 Equivalent to 10 /8s, 124 /16s and 176 /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: 28835 Total AfriNIC prefixes after maximum aggregation: 5606 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36790 Unique aggregates announced from the AfriNIC address blocks: 11941 AfriNIC Region origin ASes present in the Internet Routing Table: 1700 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1028 Number of AfriNIC addresses announced to Internet: 107972096 Equivalent to 6 /8s, 111 /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 9089 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5943 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 3392 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2500 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2292 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2261 848 411 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 7537 10609 2896 AMAZON-02, US 11492 4585 304 549 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3756 3061 340 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3546 1854 2539 AKAMAI-AS, US 6327 3517 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 7018 2613 24058 1573 ATT-INTERNET4, US 30036 2598 371 286 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2559 3480 354 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 4089 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2290 912 ROSTELECOM-AS, RU 9009 2624 252 1348 M247, RO 6849 2399 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1772 930 542 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 10790 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 1286 726 153 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 1546 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 993 68 32 ORANGE-COTE-IVOIRE, CI 36935 831 520 42 Vodafone-, EG 6713 612 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 10790 3345 604 Uninet S.A. de C.V., MX 9808 9089 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7537 10609 2896 AMAZON-02, US 12479 6920 1730 144 UNI2-AS, ES 7545 5943 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4585 304 549 CABLEONE, US 20940 4089 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 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 9089 9042 CHINAMOBILE-CN China Mobile Communications Grou 12479 6920 6776 UNI2-AS, ES 7545 5943 5247 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7537 4641 AMAZON-02, US 11492 4585 4036 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3984 3946 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4089 3915 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 /17:8284 /18:13856 /19:24798 /20:43004 /21:50775 /22:108568 /23:96217 /24:535190 /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 4743 10790 Uninet S.A. de C.V., MX 11492 3492 4585 CABLEONE, US 8551 3448 3984 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 6849 2259 2399 UKRTELNET, UA 30036 2254 2598 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1016 3:166 4:5 5:4018 6:118 7:5 8:1555 9:1 11:173 12:1619 13:348 14:2372 15:279 16:69 17:360 18:370 20:236 21:4 22:188 23:5983 24:2447 25:6 27:2705 29:19 31:2467 32:90 34:7 35:95 36:1817 37:4518 38:3732 39:771 40:144 41:3920 42:1171 43:2226 44:300 45:16269 46:4202 47:367 49:1701 50:1920 51:244 52:1494 54:398 55:847 56:8 57:78 58:1721 59:1110 60:1003 61:2404 62:2554 63:1955 64:5615 65:2326 66:4823 67:2997 68:1377 69:4130 70:1294 71:678 72:2994 74:2637 75:1476 76:597 77:2222 78:1824 79:3157 80:2059 81:1680 82:1477 83:1211 84:1435 85:2950 86:730 87:1917 88:1168 89:3426 90:550 91:7601 92:2051 93:2549 94:3535 95:3872 96:1348 97:350 98:1170 99:739 100:69 101:1297 102:2436 103:30289 104:4523 105:479 106:893 107:2538 108:903 109:4324 110:2007 111:3275 112:2047 113:1493 114:1561 115:1999 116:1869 117:2466 118:2325 119:1837 120:1676 121:1024 122:2553 123:2104 124:1512 125:2109 128:1210 129:969 130:965 131:2011 132:828 133:378 134:1908 135:290 136:879 137:906 138:2510 139:1514 140:1113 141:1464 142:1394 143:1404 144:1196 145:352 146:1868 147:1523 148:2236 149:1830 150:873 151:1138 152:1957 153:453 154:3793 155:1430 156:1617 157:1295 158:1033 159:2202 160:2575 161:1385 162:3497 163:1429 164:1674 165:1646 166:817 167:1724 168:3816 169:901 170:4553 171:849 172:3472 173:3100 174:1030 175:1172 176:3594 177:4777 178:3528 179:2124 180:2377 181:3342 182:3198 183:1936 184:2343 185:19888 186:4555 187:3953 188:3995 189:3439 190:9044 191:1428 192:10990 193:8746 194:7150 195:5071 196:3070 197:2461 198:5936 199:6047 200:7539 201:5833 202:10148 203:10035 204:4589 205:3474 206:3847 207:3367 208:4077 209:4770 210:4124 211:2330 212:3999 213:3499 214:1102 215:53 216:6525 217:2623 218:1265 219:406 220:1791 221:924 222:660 223:1981 End of report