IPv4 R&E Routing Table Report 23:05 GMT Sat 10 Jun, 2023 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: 918024 Prefixes after maximum aggregation (per Origin AS): 349101 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450164 Number of IPv4 prefixes with a valid ROA: 405851 Number of IPv4 prefixes with an invalid ROA: 1741 Number of IPv4 prefixes with no ROA: 510432 Total ASes present in the Internet Routing Table: 74343 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63865 Origin ASes announcing only one prefix: 26276 Transit ASes present in the Internet Routing Table: 10478 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 42 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1023 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 42063 Number of 32-bit ASNs visible in the Routing Table: 34637 Prefixes from 32-bit ASNs in the Routing Table: 171789 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 568 Number of addresses announced to Internet: 3054291968 Equivalent to 182 /8s, 12 /16s and 204 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307595 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240024 Total APNIC prefixes after maximum aggregation: 68815 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234109 Unique aggregates announced from the APNIC address blocks: 98447 APNIC Region origin ASes present in the Internet Routing Table: 13371 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3946 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8749 Number of APNIC addresses announced to Internet: 772942848 Equivalent to 46 /8s, 18 /16s and 44 /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, 131072-153913 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: 269339 Total ARIN prefixes after maximum aggregation: 122746 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272063 Unique aggregates announced from the ARIN address blocks: 130515 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 7013 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1279950592 Equivalent to 76 /8s, 74 /16s and 127 /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: 259815 Total RIPE prefixes after maximum aggregation: 122655 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255793 Unique aggregates announced from the RIPE address blocks: 158880 RIPE Region origin ASes present in the Internet Routing Table: 28317 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3967 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 62 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11198 Number of RIPE addresses announced to Internet: 717577984 Equivalent to 42 /8s, 197 /16s and 95 /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: 118394 Total LACNIC prefixes after maximum aggregation: 28338 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117547 Unique aggregates announced from the LACNIC address blocks: 49487 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2297 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8792 Number of LACNIC addresses announced to Internet: 176978176 Equivalent to 10 /8s, 140 /16s and 121 /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: 29429 Total AfriNIC prefixes after maximum aggregation: 5815 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37944 Unique aggregates announced from the AfriNIC address blocks: 12371 AfriNIC Region origin ASes present in the Internet Routing Table: 1743 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 606 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: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 106451200 Equivalent to 6 /8s, 88 /16s and 81 /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 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3021 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2418 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 198 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 8494 10834 3073 AMAZON-02, US 11492 4518 299 620 CABLEONE, US 7155 4103 284 77 VIASAT-SP-BACKBONE, US 22773 3566 3052 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3105 1547 2341 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2445 24002 1534 ATT-INTERNET4, 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 7298 1706 140 UNI2-AS, ES 39891 4829 286 65 ALJAWWALSTC-AS, SA 20940 4080 3398 160 AKAMAI-ASN1, NL 8551 3454 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2291 910 ROSTELECOM-AS, RU 9009 2668 247 1388 M247, RO 34984 2275 360 605 TELLCOM-AS, TR 6849 1976 307 17 UKRTELNET, UA 58224 1827 945 534 TCI, IR 61317 1676 112 1303 ASDETUK www.heficed.com, US 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 11413 3363 605 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2348 351 625 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1025 2498 45 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 1586 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1304 1517 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 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 11413 3363 605 Uninet S.A. de C.V., MX 9808 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8494 10834 3073 AMAZON-02, US 12479 7298 1706 140 UNI2-AS, ES 7545 5724 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 286 65 ALJAWWALSTC-AS, SA 11492 4518 299 620 CABLEONE, US 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4103 284 77 VIASAT-SP-BACKBONE, US 20940 4080 3398 160 AKAMAI-ASN1, NL 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 9496 9459 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7158 UNI2-AS, ES 16509 8494 5421 AMAZON-02, US 7545 5724 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 4764 ALJAWWALSTC-AS, SA 18403 4184 4159 FPT-AS-AP FPT Telecom Company, VN 7155 4103 4026 VIASAT-SP-BACKBONE, US 20940 4080 3920 AKAMAI-ASN1, NL 11492 4518 3898 CABLEONE, US 7552 3681 3660 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 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 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 /9:14 /10:38 /11:103 /12:301 /13:578 /14:1195 /15:2092 /16:13419 /17:8149 /18:13719 /19:24817 /20:42869 /21:50965 /22:109285 /23:97876 /24:552579 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6387 7298 UNI2-AS, ES 8151 5359 11413 Uninet S.A. de C.V., MX 39891 3628 4829 ALJAWWALSTC-AS, SA 11492 3429 4518 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3088 4103 VIASAT-SP-BACKBONE, US 8551 2927 3454 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2637 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3529 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2145 2:1277 3:197 4:5 5:4541 6:132 7:6 8:1505 9:1 11:172 12:1532 13:386 14:2300 15:304 16:191 17:370 18:456 20:264 21:4 22:188 23:6286 24:2596 25:6 27:2503 29:19 31:2512 32:78 34:22 35:109 36:1975 37:4682 38:4849 39:846 40:151 41:3921 42:1987 43:2314 44:306 45:16507 46:4282 47:376 49:1745 50:1857 51:521 52:1595 54:393 55:865 56:8 57:118 58:1816 59:1052 60:985 61:2542 62:2671 63:1903 64:5667 65:2307 66:4991 67:3041 68:1343 69:4129 70:1202 71:672 72:2986 74:2612 75:1558 76:608 77:2438 78:1808 79:2973 80:2122 81:1788 82:1492 83:1260 84:1511 85:3005 86:763 87:2017 88:1166 89:3730 90:614 91:7755 92:2063 93:2618 94:3623 95:4053 96:1316 97:336 98:1128 99:744 100:88 101:1309 102:2771 103:31477 104:4584 105:503 106:951 107:2583 108:1052 109:4190 110:2098 111:3120 112:2034 113:1729 114:1663 115:1997 116:1889 117:2554 118:2614 119:1992 120:1796 121:1069 122:2587 123:2117 124:1574 125:2475 128:1403 129:1049 130:1001 131:1976 132:846 133:420 134:1825 135:307 136:876 137:950 138:2577 139:1542 140:1257 141:1428 142:1448 143:1514 144:1110 145:344 146:1938 147:1593 148:2399 149:2239 150:882 151:1150 152:1925 153:490 154:4458 155:1423 156:1793 157:1315 158:1083 159:2220 160:2549 161:1552 162:3511 163:1523 164:1615 165:1829 166:1082 167:1717 168:3845 169:948 170:4603 171:901 172:3577 173:2962 174:1070 175:1165 176:3694 177:4623 178:3599 179:2177 180:2541 181:3484 182:3393 183:2079 184:2347 185:20328 186:4824 187:3973 188:4100 189:3691 190:9187 191:1474 192:10897 193:8898 194:7315 195:5154 196:3179 197:2380 198:5889 199:6094 200:7903 201:5925 202:10293 203:10271 204:4560 205:3685 206:4204 207:3400 208:4091 209:4862 210:4171 211:2436 212:4192 213:3624 214:1088 215:59 216:6665 217:2730 218:1276 219:410 220:1757 221:964 222:684 223:2150 End of report