IPv4 R&E Routing Table Report 23:05 GMT Mon 28 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: 900623 Prefixes after maximum aggregation (per Origin AS): 342568 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442789 Number of IPv4 prefixes with a valid ROA: 364352 Number of IPv4 prefixes with an invalid ROA: 1666 Number of IPv4 prefixes with no ROA: 534605 Total ASes present in the Internet Routing Table: 73683 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63331 Origin ASes announcing only one prefix: 26019 Transit ASes present in the Internet Routing Table: 10352 Transit-only ASes present in the Internet Routing Table: 417 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 985 Number of instances of unregistered ASNs: 987 Number of 32-bit ASNs allocated by the RIRs: 40732 Number of 32-bit ASNs visible in the Routing Table: 33696 Prefixes from 32-bit ASNs in the Routing Table: 163983 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3061871616 Equivalent to 182 /8s, 128 /16s and 116 /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: 302815 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233331 Total APNIC prefixes after maximum aggregation: 67555 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228213 Unique aggregates announced from the APNIC address blocks: 97290 APNIC Region origin ASes present in the Internet Routing Table: 13047 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3791 APNIC Region transit ASes present in the Internet Routing Table: 1751 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: 8356 Number of APNIC addresses announced to Internet: 773099264 Equivalent to 46 /8s, 20 /16s and 143 /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: 266166 Total ARIN prefixes after maximum aggregation: 121177 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267759 Unique aggregates announced from the ARIN address blocks: 129371 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6987 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 4671 Number of ARIN addresses announced to Internet: 1288586752 Equivalent to 76 /8s, 206 /16s and 70 /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: 254037 Total RIPE prefixes after maximum aggregation: 119301 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250656 Unique aggregates announced from the RIPE address blocks: 154765 RIPE Region origin ASes present in the Internet Routing Table: 28121 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11988 RIPE Region transit ASes present in the Internet Routing Table: 3963 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: 10880 Number of RIPE addresses announced to Internet: 716031488 Equivalent to 42 /8s, 173 /16s and 198 /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: 117282 Total LACNIC prefixes after maximum aggregation: 28135 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116626 Unique aggregates announced from the LACNIC address blocks: 48937 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2253 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: 8756 Number of LACNIC addresses announced to Internet: 175808512 Equivalent to 10 /8s, 122 /16s and 160 /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: 28822 Total AfriNIC prefixes after maximum aggregation: 5654 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36855 Unique aggregates announced from the AfriNIC address blocks: 11998 AfriNIC Region origin ASes present in the Internet Routing Table: 1702 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1033 Number of AfriNIC addresses announced to Internet: 108055296 Equivalent to 6 /8s, 112 /16s and 203 /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 9131 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5951 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3524 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1874 89 VNPT-AS-VN VNPT Corp, VN 9498 2554 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2302 849 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2292 11251 596 KIXS-AS-KR Korea Telecom, KR 4755 2162 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 7658 10622 2895 AMAZON-02, US 11492 4579 303 539 CABLEONE, US 7155 3896 265 32 VIASAT-SP-BACKBONE, US 22773 3711 3060 317 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3568 1862 2561 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 7018 2590 24059 1552 ATT-INTERNET4, US 30036 2585 368 329 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 359 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 6948 1730 148 UNI2-AS, ES 20940 4099 3399 175 AKAMAI-ASN1, NL 8551 3978 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3837 224 49 ALJAWWALSTC-AS, SA 12389 2897 2290 911 ROSTELECOM-AS, RU 9009 2646 252 1358 M247, RO 34984 2245 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1797 936 543 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 10897 3350 598 Uninet S.A. de C.V., MX 10620 3460 506 847 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2126 348 550 Mega Cable, S.A. de C.V., MX 28573 1331 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1124 183 476 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1544 537 31 RAYA-AS, EG 24863 1539 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 40 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 54 45 WANANCHI-, KE 37342 441 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 10897 3350 598 Uninet S.A. de C.V., MX 9808 9131 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7658 10622 2895 AMAZON-02, US 12479 6948 1730 148 UNI2-AS, ES 7545 5951 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4579 303 539 CABLEONE, US 20940 4099 3399 175 AKAMAI-ASN1, NL 8551 3978 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3896 265 32 VIASAT-SP-BACKBONE, US 39891 3837 224 49 ALJAWWALSTC-AS, SA 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 9131 9084 CHINAMOBILE-CN China Mobile Communications Grou 12479 6948 6800 UNI2-AS, ES 7545 5951 5257 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7658 4763 AMAZON-02, US 11492 4579 4040 CABLEONE, US 8551 3978 3940 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4099 3924 AKAMAI-ASN1, NL 7155 3896 3864 VIASAT-SP-BACKBONE, US 39891 3837 3788 ALJAWWALSTC-AS, SA 7552 3624 3604 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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2914 NTT-LTD-2914, US 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 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /14:1195 /15:2076 /16:13474 /17:8251 /18:13733 /19:24741 /20:42993 /21:50955 /22:108796 /23:96346 /24:537010 /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 5980 6948 UNI2-AS, ES 8151 4842 10897 Uninet S.A. de C.V., MX 11492 3485 4579 CABLEONE, US 8551 3442 3978 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3032 3837 ALJAWWALSTC-AS, SA 7155 2985 3896 VIASAT-SP-BACKBONE, US 22773 2740 3711 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2243 2585 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1843 2:1023 3:166 4:5 5:4053 6:118 7:5 8:1545 9:1 11:173 12:1617 13:380 14:2362 15:285 16:73 17:366 18:384 20:239 21:4 22:188 23:6012 24:2450 25:6 27:2706 29:19 31:2475 32:99 34:8 35:94 36:1831 37:4539 38:3848 39:772 40:144 41:3951 42:1182 43:2268 44:303 45:16344 46:4151 47:370 49:1699 50:1931 51:244 52:1506 54:398 55:845 56:8 57:79 58:1724 59:1102 60:1006 61:2422 62:2579 63:1947 64:5644 65:2335 66:4834 67:2995 68:1379 69:4161 70:1292 71:677 72:2996 74:2636 75:1472 76:597 77:2252 78:1822 79:3160 80:2046 81:1681 82:1501 83:1221 84:1478 85:2962 86:744 87:1930 88:1170 89:3471 90:573 91:7604 92:1994 93:2399 94:3538 95:3878 96:1338 97:348 98:1174 99:740 100:69 101:1280 102:2476 103:30433 104:4533 105:480 106:827 107:2533 108:911 109:4325 110:2023 111:3272 112:2035 113:1505 114:1605 115:2044 116:1878 117:2469 118:2335 119:1848 120:1695 121:1047 122:2582 123:2125 124:1534 125:2137 128:1208 129:965 130:961 131:2012 132:831 133:401 134:1910 135:294 136:880 137:862 138:2550 139:1519 140:1034 141:1479 142:1408 143:1414 144:1201 145:354 146:1884 147:1507 148:2240 149:1840 150:863 151:1145 152:1956 153:456 154:3796 155:1403 156:1630 157:1281 158:1038 159:2237 160:2564 161:1423 162:3506 163:1446 164:1647 165:1657 166:838 167:1739 168:3831 169:915 170:4572 171:863 172:3519 173:3105 174:1032 175:1181 176:3612 177:4801 178:3544 179:2145 180:2390 181:3347 182:3217 183:1938 184:2352 185:19925 186:4625 187:3979 188:4046 189:3444 190:9055 191:1455 192:10985 193:8772 194:7190 195:5075 196:3045 197:2423 198:5945 199:6074 200:7648 201:5831 202:10165 203:10054 204:4599 205:3474 206:3756 207:3346 208:4101 209:4783 210:4153 211:2390 212:4028 213:3525 214:1097 215:55 216:6586 217:2614 218:1265 219:409 220:1793 221:951 222:665 223:2006 End of report