IPv4 R&E Routing Table Report 23:05 GMT Mon 03 Jul, 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: 919672 Prefixes after maximum aggregation (per Origin AS): 349558 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451521 Number of IPv4 prefixes with a valid ROA: 410682 Number of IPv4 prefixes with an invalid ROA: 1719 Number of IPv4 prefixes with no ROA: 507271 Total ASes present in the Internet Routing Table: 74396 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63922 Origin ASes announcing only one prefix: 26296 Transit ASes present in the Internet Routing Table: 10474 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 1042 Number of instances of unregistered ASNs: 1046 Number of 32-bit ASNs allocated by the RIRs: 42206 Number of 32-bit ASNs visible in the Routing Table: 34727 Prefixes from 32-bit ASNs in the Routing Table: 172760 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 546 Number of addresses announced to Internet: 3053147136 Equivalent to 181 /8s, 251 /16s and 84 /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: 308116 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239961 Total APNIC prefixes after maximum aggregation: 68869 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233882 Unique aggregates announced from the APNIC address blocks: 98566 APNIC Region origin ASes present in the Internet Routing Table: 13392 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3972 APNIC Region transit ASes present in the Internet Routing Table: 1792 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: 8780 Number of APNIC addresses announced to Internet: 772911104 Equivalent to 46 /8s, 17 /16s and 176 /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: 270131 Total ARIN prefixes after maximum aggregation: 123086 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272568 Unique aggregates announced from the ARIN address blocks: 130742 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4807 Number of ARIN addresses announced to Internet: 1277970432 Equivalent to 76 /8s, 44 /16s and 72 /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: 260341 Total RIPE prefixes after maximum aggregation: 122657 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256720 Unique aggregates announced from the RIPE address blocks: 159580 RIPE Region origin ASes present in the Internet Routing Table: 28339 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11230 Number of RIPE addresses announced to Internet: 717228544 Equivalent to 42 /8s, 192 /16s and 10 /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: 118475 Total LACNIC prefixes after maximum aggregation: 28378 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117626 Unique aggregates announced from the LACNIC address blocks: 49602 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2297 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8803 Number of LACNIC addresses announced to Internet: 177021952 Equivalent to 10 /8s, 141 /16s and 36 /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: 29722 Total AfriNIC prefixes after maximum aggregation: 5856 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38330 Unique aggregates announced from the AfriNIC address blocks: 12582 AfriNIC Region origin ASes present in the Internet Routing Table: 1756 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1107 Number of AfriNIC addresses announced to Internet: 107691008 Equivalent to 6 /8s, 107 /16s and 60 /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 9506 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3673 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3041 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2435 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 199 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 8686 10890 3114 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3127 1550 2349 AKAMAI-AS, US 749 3124 54969 2376 DNIC-AS-00749, US 367 2738 3748 1311 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 432 MEDIACOM-ENTERPRISE-BUSINESS, 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 7292 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4085 3398 159 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2658 246 1380 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1831 945 534 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 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 11513 3372 600 UNINET, MX 10620 3530 507 840 Telmex Colombia S.A., CO 13999 2380 355 628 Mega Cable, S.A. de C.V., MX 11830 2232 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1099 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1616 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 489 73 5 EthioNet-AS, ET 37342 473 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 11513 3372 600 UNINET, MX 9808 9506 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8686 10890 3114 AMAZON-02, US 12479 7292 1706 141 UNI2-AS, ES 7545 5680 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4085 3398 159 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 9506 9469 CHINAMOBILE-CN China Mobile Communications Grou 12479 7292 7151 UNI2-AS, ES 16509 8686 5572 AMAZON-02, US 7545 5680 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4085 3926 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3673 3652 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 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 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 /12:299 /13:575 /14:1197 /15:2106 /16:13417 /17:8183 /18:13705 /19:24862 /20:43229 /21:51073 /22:109394 /23:98139 /24:553313 /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 6380 7292 UNI2-AS, ES 8151 5435 11513 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3530 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) ---------------------------------------------- 1:2160 2:1341 3:226 4:5 5:4529 6:129 7:6 8:1515 9:1 11:172 12:1518 13:387 14:2312 15:301 16:194 17:373 18:500 20:260 21:4 22:188 23:6344 24:2591 25:6 27:2512 29:19 31:2513 32:78 34:23 35:111 36:1982 37:4672 38:4976 39:827 40:151 41:3944 42:1994 43:2322 44:304 45:16579 46:4340 47:376 49:1753 50:1853 51:586 52:1597 54:395 55:974 56:8 57:120 58:1814 59:1108 60:983 61:2508 62:2664 63:1905 64:5600 65:2319 66:4992 67:3044 68:1353 69:4114 70:1208 71:676 72:2984 74:2625 75:1565 76:611 77:2445 78:1818 79:2994 80:2118 81:1784 82:1509 83:1251 84:1536 85:3005 86:756 87:2003 88:1173 89:3784 90:614 91:7763 92:2036 93:2602 94:3574 95:4051 96:1311 97:341 98:1136 99:736 100:94 101:1310 102:2816 103:31590 104:4563 105:505 106:883 107:2573 108:1076 109:4223 110:2099 111:3131 112:1999 113:1737 114:1632 115:1974 116:1894 117:2577 118:2611 119:1975 120:1781 121:1075 122:2606 123:2126 124:1576 125:2474 128:1411 129:1044 130:1006 131:1960 132:838 133:424 134:1794 135:309 136:890 137:947 138:2529 139:1548 140:1250 141:1428 142:1452 143:1507 144:1098 145:341 146:1953 147:1581 148:2406 149:2195 150:871 151:1162 152:1956 153:495 154:4633 155:1398 156:1792 157:1312 158:1080 159:2256 160:2565 161:1520 162:3507 163:1545 164:1590 165:1871 166:1076 167:1720 168:3828 169:946 170:4608 171:871 172:3634 173:2961 174:1081 175:1185 176:3757 177:4532 178:3610 179:2168 180:2454 181:3479 182:3394 183:1997 184:2325 185:20413 186:4809 187:4053 188:4098 189:3688 190:9213 191:1382 192:10889 193:8926 194:7323 195:5131 196:3176 197:2379 198:5908 199:6090 200:7903 201:5930 202:10254 203:10104 204:4547 205:3693 206:4267 207:3379 208:4120 209:4887 210:4168 211:2436 212:4268 213:3608 214:1080 215:59 216:6651 217:2765 218:1275 219:412 220:1755 221:963 222:683 223:2154 End of report