IPv4 R&E Routing Table Report 23:05 GMT Mon 26 Sep, 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: 894307 Prefixes after maximum aggregation (per Origin AS): 340499 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439533 Number of IPv4 prefixes with a valid ROA: 351830 Number of IPv4 prefixes with an invalid ROA: 1652 Number of IPv4 prefixes with no ROA: 540825 Total ASes present in the Internet Routing Table: 73542 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63192 Origin ASes announcing only one prefix: 26028 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1079 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 40259 Number of 32-bit ASNs visible in the Routing Table: 33364 Prefixes from 32-bit ASNs in the Routing Table: 159980 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3065457664 Equivalent to 182 /8s, 183 /16s and 44 /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: 300518 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231314 Total APNIC prefixes after maximum aggregation: 66960 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226206 Unique aggregates announced from the APNIC address blocks: 96243 APNIC Region origin ASes present in the Internet Routing Table: 12890 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3718 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8186 Number of APNIC addresses announced to Internet: 773255680 Equivalent to 46 /8s, 22 /16s and 242 /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: 264368 Total ARIN prefixes after maximum aggregation: 121003 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 265146 Unique aggregates announced from the ARIN address blocks: 128230 ARIN Region origin ASes present in the Internet Routing Table: 19007 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1869 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: 4607 Number of ARIN addresses announced to Internet: 1291367424 Equivalent to 76 /8s, 248 /16s and 180 /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: 252782 Total RIPE prefixes after maximum aggregation: 118417 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249942 Unique aggregates announced from the RIPE address blocks: 153715 RIPE Region origin ASes present in the Internet Routing Table: 28185 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 4007 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: 10819 Number of RIPE addresses announced to Internet: 716707328 Equivalent to 42 /8s, 184 /16s and 22 /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: 116217 Total LACNIC prefixes after maximum aggregation: 27720 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115842 Unique aggregates announced from the LACNIC address blocks: 48996 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2709 LACNIC Region transit ASes present in the Internet Routing Table: 2224 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: 8734 Number of LACNIC addresses announced to Internet: 176090368 Equivalent to 10 /8s, 126 /16s and 237 /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: 28547 Total AfriNIC prefixes after maximum aggregation: 5599 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36630 Unique aggregates announced from the AfriNIC address blocks: 11913 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.74 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: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1018 Number of AfriNIC addresses announced to Internet: 107746560 Equivalent to 6 /8s, 108 /16s and 21 /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 5888 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3585 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3383 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2446 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2225 853 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 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 7236 10537 2854 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3775 3063 343 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3530 1841 2535 AKAMAI-AS, US 6327 3484 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2601 368 284 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2535 3387 376 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 396 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 6909 1730 144 UNI2-AS, ES 20940 4059 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 9009 2607 251 1341 M247, GB 6849 2590 339 20 UKRTELNET, UA 34984 2256 358 632 TELLCOM-AS, TR 58224 1796 936 540 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 10991 3392 558 Uninet S.A. de C.V., MX 10620 3483 513 830 Telmex Colombia S.A., CO 11830 2316 369 65 Instituto Costarricense de Electricidad 13999 2012 328 518 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1140 369 21 Telefonica del Peru S.A.A., PE 11664 1057 178 466 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 1570 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 996 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 398 232 16 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 10991 3392 558 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7236 10537 2854 AMAZON-02, US 12479 6909 1730 144 UNI2-AS, ES 7545 5888 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4059 3360 193 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 6909 6765 UNI2-AS, ES 7545 5888 5190 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7236 4382 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4059 3866 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3585 3565 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 /11:101 /12:297 /13:586 /14:1193 /15:2091 /16:13443 /17:8257 /18:13761 /19:24722 /20:43115 /21:50912 /22:107972 /23:95776 /24:532007 /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 5912 6909 UNI2-AS, ES 8151 4730 10991 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3293 3484 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2802 3775 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2445 2590 UKRTELNET, UA 30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1017 3:163 4:5 5:3911 6:116 7:6 8:1558 9:1 11:173 12:1625 13:344 14:2357 15:264 16:68 17:362 18:316 20:238 21:4 22:188 23:5956 24:2456 25:6 27:2667 29:19 31:2436 32:91 34:7 35:89 36:1891 37:4476 38:3558 39:750 40:152 41:3913 42:1169 43:2221 44:294 45:16135 46:4169 47:331 48:1 49:1727 50:1926 51:242 52:1493 54:388 55:933 56:8 57:69 58:1725 59:1109 60:981 61:2347 62:2543 63:1912 64:5595 65:2306 66:4847 67:2964 68:1200 69:4163 70:1309 71:684 72:2986 74:2641 75:1488 76:592 77:2273 78:1861 79:3134 80:2075 81:1646 82:1508 83:1208 84:1399 85:2949 86:729 87:1914 88:1159 89:3393 90:555 91:7578 92:2052 93:2543 94:3550 95:3854 96:1311 97:347 98:1036 99:735 100:75 101:1296 102:2323 103:29968 104:4553 105:472 106:884 107:2530 108:888 109:4301 110:1983 111:3277 112:2037 113:1478 114:1493 115:1975 116:1886 117:2486 118:2326 119:1827 120:1706 121:1016 122:2524 123:2098 124:1515 125:2098 128:1166 129:1002 130:959 131:2026 132:810 133:378 134:1934 135:291 136:788 137:879 138:2520 139:1511 140:997 141:1455 142:1343 143:1390 144:1192 145:344 146:1848 147:1521 148:2205 149:1816 150:865 151:1105 152:1938 153:468 154:3806 155:1420 156:1691 157:1292 158:1033 159:2194 160:2532 161:1361 162:3489 163:1407 164:1666 165:1649 166:785 167:1739 168:3791 169:872 170:4520 171:848 172:3361 173:3107 174:1017 175:1164 176:3608 177:4728 178:3572 179:2141 180:2366 181:3279 182:3188 183:1926 184:2358 185:19735 186:4564 187:3906 188:3995 189:3465 190:8956 191:1427 192:10972 193:8686 194:7137 195:5044 196:3034 197:2453 198:5917 199:6016 200:7587 201:5798 202:10143 203:10004 204:4515 205:3475 206:3804 207:3374 208:4041 209:4713 210:4116 211:2336 212:4052 213:3473 214:1116 215:55 216:6409 217:2634 218:1266 219:406 220:1774 221:921 222:656 223:1970 End of report