IPv4 R&E Routing Table Report 23:05 GMT Tue 14 May, 2024 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: 941378 Prefixes after maximum aggregation (per Origin AS): 360273 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461658 Number of IPv4 prefixes with a valid ROA: 472027 Number of IPv4 prefixes with an invalid ROA: 1064 Number of IPv4 prefixes with no ROA: 468287 Total ASes present in the Internet Routing Table: 75598 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 65026 Origin ASes announcing only one prefix: 26667 Transit ASes present in the Internet Routing Table: 10572 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 988 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 44477 Number of 32-bit ASNs visible in the Routing Table: 36333 Prefixes from 32-bit ASNs in the Routing Table: 185156 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: 608 Number of addresses announced to Internet: 3025983488 Equivalent to 180 /8s, 92 /16s and 216 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310608 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248474 Total APNIC prefixes after maximum aggregation: 73015 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240690 Unique aggregates announced from the APNIC address blocks: 100901 APNIC Region origin ASes present in the Internet Routing Table: 14060 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4277 APNIC Region transit ASes present in the Internet Routing Table: 1869 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9507 Number of APNIC addresses announced to Internet: 760860672 Equivalent to 45 /8s, 89 /16s and 208 /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: 275053 Total ARIN prefixes after maximum aggregation: 124703 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279636 Unique aggregates announced from the ARIN address blocks: 133699 ARIN Region origin ASes present in the Internet Routing Table: 19116 ARIN Prefixes per ASN: 14.63 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1911 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4898 Number of ARIN addresses announced to Internet: 1267491584 Equivalent to 75 /8s, 140 /16s and 99 /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, 393216-402332 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: 265250 Total RIPE prefixes after maximum aggregation: 126703 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260203 Unique aggregates announced from the RIPE address blocks: 163856 RIPE Region origin ASes present in the Internet Routing Table: 28609 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11763 Number of RIPE addresses announced to Internet: 713882880 Equivalent to 42 /8s, 140 /16s and 253 /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: 120728 Total LACNIC prefixes after maximum aggregation: 28979 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118990 Unique aggregates announced from the LACNIC address blocks: 49567 LACNIC Region origin ASes present in the Internet Routing Table: 11075 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2383 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8959 Number of LACNIC addresses announced to Internet: 176891904 Equivalent to 10 /8s, 139 /16s and 40 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30885 Total AfriNIC prefixes after maximum aggregation: 6197 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 41251 Unique aggregates announced from the AfriNIC address blocks: 13160 AfriNIC Region origin ASes present in the Internet Routing Table: 1841 AfriNIC Prefixes per ASN: 22.41 AfriNIC Region origin ASes announcing only one prefix: 660 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1206 Number of AfriNIC addresses announced to Internet: 106497024 Equivalent to 6 /8s, 89 /16s and 4 /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 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5643 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4451 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3902 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3721 507 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3582 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3291 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2793 864 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2193 433 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9902 11376 3539 AMAZON-02, US 11492 4610 306 611 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3595 1320 79 SHAW, CA 174 3588 6633 844 COGENT-174, US 22773 3487 3040 227 ASN-CXA-ALL-CCI-22773-RDC, US 749 3225 54904 2477 DNIC-AS-00749, US 16625 2985 1292 2189 AKAMAI-AS, US 367 2813 3460 1324 DNIC-ASBLK-00306-00371, US 7018 2807 23656 1776 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 7768 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3802 3396 129 AKAMAI-ASN1, NL 9009 3316 289 1622 M247, RO 12389 2897 2293 859 ROSTELECOM-AS, RU 8551 2639 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2344 362 582 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 212238 1574 113 1143 CDNEXT, GB 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 12240 3313 497 UNINET, MX 10620 3505 492 939 Telmex Colombia S.A., CO 13999 2538 351 662 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1182 176 442 Techtel LMDS Comunicaciones Interactiva 6503 1125 314 478 Axtel, S.A.B. de C.V., MX 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1072 2503 53 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 1548 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1373 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1198 77 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 528 55 55 WANANCHI-, KE 36914 481 82 3 KENET-AS, KE 24757 434 73 5 EthioNet-AS, ET 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 12240 3313 497 UNINET, MX 16509 9902 11376 3539 AMAZON-02, US 9808 9830 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7768 1708 145 UNI2-AS, ES 7545 5643 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4610 306 611 CABLEONE, US 18403 4451 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3902 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9830 9769 CHINAMOBILE-CN China Mobile Communications Grou 12479 7768 7623 UNI2-AS, ES 16509 9902 6363 AMAZON-02, US 7545 5643 4969 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4451 4428 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4610 3999 CABLEONE, US 7552 3902 3881 VIETEL-AS-AP Viettel Group, VN 20940 3802 3673 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, US 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 /10:36 /11:94 /12:296 /13:575 /14:1169 /15:2044 /16:13212 /17:8127 /18:13579 /19:24360 /20:42963 /21:51043 /22:110483 /23:98645 /24:574714 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6864 7768 UNI2-AS, ES 8151 6272 12240 UNINET, MX 11492 3519 4610 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3392 3595 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2589 3487 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3505 Telmex Colombia S.A., CO 8551 2115 2639 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1475 3:347 4:6 5:4555 6:164 7:6 8:1498 9:1 11:172 12:1454 13:362 14:2368 15:318 16:211 17:364 18:766 20:374 21:4 22:188 23:6698 24:2713 25:2 27:2538 29:19 31:2575 32:46 34:63 35:132 36:2304 37:4464 38:7436 39:896 40:125 41:4062 42:2179 43:2348 44:316 45:17007 46:4468 47:307 49:1908 50:1901 51:572 52:1581 54:311 55:1000 56:5 57:167 58:2018 59:1187 60:1032 61:2633 62:2667 63:1890 64:5524 65:2344 66:4668 67:2975 68:1320 69:4111 70:1187 71:584 72:2865 74:2583 75:1558 76:612 77:2484 78:1852 79:2516 80:2189 81:2013 82:1595 83:1330 84:1643 85:3138 86:850 87:1982 88:1249 89:4082 90:680 91:8116 92:2301 93:2688 94:3713 95:4181 96:1278 97:315 98:1042 99:742 100:72 101:1171 102:3263 103:32557 104:4792 105:670 106:935 107:2750 108:1142 109:4131 110:2137 111:3253 112:2066 113:1779 114:1782 115:2071 116:1868 117:2644 118:2809 119:1973 120:1765 121:1267 122:2668 123:2203 124:1614 125:2859 126:32 128:1424 129:926 130:1140 131:1832 132:794 133:410 134:1731 135:321 136:1007 137:1035 138:2814 139:1537 140:1386 141:1343 142:1584 143:1503 144:1005 145:362 146:2056 147:1881 148:2504 149:2737 150:1033 151:1332 152:2141 153:525 154:6403 155:1465 156:2279 157:1772 158:1151 159:2327 160:2642 161:1688 162:3557 163:1695 164:1649 165:2147 166:1164 167:1789 168:3893 169:796 170:4843 171:1018 172:3849 173:3028 174:887 175:1205 176:3663 177:4632 178:3712 179:2179 180:2366 181:3716 182:3390 183:1998 184:2264 185:20763 186:4906 187:4412 188:4071 189:4130 190:9399 191:1457 192:10965 193:9090 194:7499 195:5286 196:3167 197:2340 198:5917 199:7821 200:7898 201:6263 202:10220 203:10172 204:4563 205:3734 206:4424 207:3473 208:4127 209:5008 210:4395 211:2523 212:4311 213:3426 214:1044 215:49 216:6816 217:2979 218:1292 219:415 220:1820 221:1033 222:707 223:2203 End of report