IPv4 R&E Routing Table Report 23:05 GMT Sat 26 Aug, 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: 920567 Prefixes after maximum aggregation (per Origin AS): 350556 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452219 Number of IPv4 prefixes with a valid ROA: 418169 Number of IPv4 prefixes with an invalid ROA: 905 Number of IPv4 prefixes with no ROA: 501493 Total ASes present in the Internet Routing Table: 74536 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64129 Origin ASes announcing only one prefix: 26330 Transit ASes present in the Internet Routing Table: 10407 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 993 Number of instances of unregistered ASNs: 995 Number of 32-bit ASNs allocated by the RIRs: 42510 Number of 32-bit ASNs visible in the Routing Table: 34922 Prefixes from 32-bit ASNs in the Routing Table: 173785 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3055089664 Equivalent to 182 /8s, 24 /16s and 248 /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: 99.5 Total number of prefixes smaller than registry allocations: 307988 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240405 Total APNIC prefixes after maximum aggregation: 69623 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234108 Unique aggregates announced from the APNIC address blocks: 98625 APNIC Region origin ASes present in the Internet Routing Table: 13490 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4006 APNIC Region transit ASes present in the Internet Routing Table: 1795 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8878 Number of APNIC addresses announced to Internet: 772670208 Equivalent to 46 /8s, 14 /16s and 3 /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: 270402 Total ARIN prefixes after maximum aggregation: 123328 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272599 Unique aggregates announced from the ARIN address blocks: 130963 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1881 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1279411712 Equivalent to 76 /8s, 66 /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: 260412 Total RIPE prefixes after maximum aggregation: 122542 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 257117 Unique aggregates announced from the RIPE address blocks: 159905 RIPE Region origin ASes present in the Internet Routing Table: 28385 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11287 Number of RIPE addresses announced to Internet: 716457984 Equivalent to 42 /8s, 180 /16s and 72 /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 196608-216475 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: 118311 Total LACNIC prefixes after maximum aggregation: 28451 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117338 Unique aggregates announced from the LACNIC address blocks: 49551 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2313 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8822 Number of LACNIC addresses announced to Internet: 178566912 Equivalent to 10 /8s, 164 /16s and 183 /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: 30044 Total AfriNIC prefixes after maximum aggregation: 5916 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38860 Unique aggregates announced from the AfriNIC address blocks: 12721 AfriNIC Region origin ASes present in the Internet Routing Table: 1772 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1120 Number of AfriNIC addresses announced to Internet: 107524608 Equivalent to 6 /8s, 104 /16s and 178 /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 9523 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5700 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3725 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3336 1840 97 VNPT-AS-VN VNPT Corp, VN 9498 2847 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2489 847 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 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 8916 10965 3255 AMAZON-02, US 11492 4524 300 643 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 22773 3562 3041 313 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3060 1478 2305 AKAMAI-AS, US 367 2959 3824 1390 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2517 23937 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 7339 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4069 3398 154 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2296 914 ROSTELECOM-AS, RU 9009 2653 246 1372 M247, RO 34984 2330 362 595 TELLCOM-AS, TR 58224 1750 933 520 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1516 101 1181 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 11691 3358 608 UNINET, MX 10620 3535 506 849 Telmex Colombia S.A., CO 13999 2451 366 644 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 344 507 Axtel, S.A.B. de C.V., MX 3816 1288 757 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1116 181 435 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 21 Telefonica del Peru S.A.A., PE 26615 1034 2501 49 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 1594 393 19 LINKdotNET-AS, EG 24835 1485 533 27 RAYA-AS, EG 36992 1338 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 901 520 34 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 523 54 48 WANANCHI-, KE 24757 478 73 5 EthioNet-AS, ET 37342 462 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 11691 3358 608 UNINET, MX 9808 9523 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8916 10965 3255 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5700 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 643 CABLEONE, US 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4069 3398 154 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 9523 9483 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8916 5661 AMAZON-02, US 7545 5700 5016 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4069 3915 AKAMAI-ASN1, NL 11492 4524 3881 CABLEONE, US 7552 3725 3704 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 40493 UNALLOCATED 8.17.26.0/24 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 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 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 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 /11:102 /12:298 /13:576 /14:1194 /15:2097 /16:13467 /17:8189 /18:13717 /19:24794 /20:43364 /21:51025 /22:109419 /23:98618 /24:553630 /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 6425 7339 UNI2-AS, ES 8151 5715 11691 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2608 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 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) ---------------------------------------------- 1:2229 2:1377 3:234 4:5 5:4541 6:138 7:6 8:1512 9:1 11:172 12:1507 13:369 14:2293 15:301 16:192 17:371 18:621 20:280 21:4 22:188 23:6372 24:2483 25:6 27:2542 29:19 31:2530 32:78 34:26 35:115 36:1988 37:4611 38:5150 39:867 40:147 41:4032 42:2086 43:2288 44:322 45:16555 46:4256 47:384 49:1794 50:1857 51:593 52:1595 54:393 55:960 56:8 57:122 58:1790 59:1102 60:995 61:2391 62:2686 63:1919 64:5548 65:2334 66:4898 67:3016 68:1337 69:4130 70:1191 71:656 72:2956 74:2609 75:1563 76:616 77:2434 78:1834 79:2988 80:2126 81:1817 82:1456 83:1278 84:1513 85:2971 86:754 87:2000 88:1174 89:3849 90:617 91:7800 92:2066 93:2598 94:3531 95:4007 96:1293 97:317 98:1079 99:733 100:90 101:1315 102:2942 103:31827 104:4570 105:552 106:880 107:2587 108:1123 109:4244 110:2107 111:3131 112:2071 113:1744 114:1650 115:1990 116:1911 117:2516 118:2688 119:1975 120:1772 121:1084 122:2567 123:2139 124:1564 125:2490 128:1401 129:914 130:1027 131:1946 132:848 133:420 134:1787 135:306 136:911 137:975 138:2632 139:1563 140:1231 141:1301 142:1475 143:1488 144:977 145:345 146:1942 147:1604 148:2424 149:2136 150:869 151:1228 152:1973 153:517 154:4769 155:1383 156:1926 157:1323 158:1080 159:2222 160:2614 161:1583 162:3511 163:1582 164:1699 165:1846 166:950 167:1728 168:3825 169:906 170:4609 171:881 172:3668 173:2973 174:987 175:1185 176:3756 177:4490 178:3537 179:2107 180:2435 181:3436 182:3194 183:2003 184:2280 185:20513 186:4777 187:4092 188:4140 189:3750 190:9249 191:1332 192:10887 193:8936 194:7281 195:5189 196:3197 197:2431 198:5921 199:6041 200:7885 201:6029 202:10223 203:9963 204:4526 205:3632 206:4260 207:3382 208:4108 209:4885 210:4178 211:2442 212:4237 213:3585 214:1091 215:59 216:6629 217:2778 218:1265 219:405 220:1800 221:976 222:662 223:2145 End of report