IPv4 R&E Routing Table Report 23:05 GMT Mon 16 Sep, 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: 951653 Prefixes after maximum aggregation (per Origin AS): 364884 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465917 Number of IPv4 prefixes with a valid ROA: 498291 Number of IPv4 prefixes with an invalid ROA: 1249 Number of IPv4 prefixes with no ROA: 452113 Total ASes present in the Internet Routing Table: 75981 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65263 Origin ASes announcing only one prefix: 26794 Transit ASes present in the Internet Routing Table: 10718 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 970 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 45383 Number of 32-bit ASNs visible in the Routing Table: 37004 Prefixes from 32-bit ASNs in the Routing Table: 191539 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3033485056 Equivalent to 180 /8s, 207 /16s and 79 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312866 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251297 Total APNIC prefixes after maximum aggregation: 74776 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 243057 Unique aggregates announced from the APNIC address blocks: 100566 APNIC Region origin ASes present in the Internet Routing Table: 14265 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4348 APNIC Region transit ASes present in the Internet Routing Table: 1896 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9742 Number of APNIC addresses announced to Internet: 761461248 Equivalent to 45 /8s, 98 /16s and 250 /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: 278617 Total ARIN prefixes after maximum aggregation: 125751 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282410 Unique aggregates announced from the ARIN address blocks: 135083 ARIN Region origin ASes present in the Internet Routing Table: 19108 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4993 Number of ARIN addresses announced to Internet: 1266735104 Equivalent to 75 /8s, 128 /16s and 216 /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: 265798 Total RIPE prefixes after maximum aggregation: 128612 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262174 Unique aggregates announced from the RIPE address blocks: 166933 RIPE Region origin ASes present in the Internet Routing Table: 28690 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3921 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11970 Number of RIPE addresses announced to Internet: 723250432 Equivalent to 43 /8s, 27 /16s and 237 /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: 122363 Total LACNIC prefixes after maximum aggregation: 28714 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120180 Unique aggregates announced from the LACNIC address blocks: 48543 LACNIC Region origin ASes present in the Internet Routing Table: 11154 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2684 LACNIC Region transit ASes present in the Internet Routing Table: 2467 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9057 Number of LACNIC addresses announced to Internet: 177664000 Equivalent to 10 /8s, 150 /16s and 240 /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: 32608 Total AfriNIC prefixes after maximum aggregation: 6405 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 43266 Unique aggregates announced from the AfriNIC address blocks: 14317 AfriNIC Region origin ASes present in the Internet Routing Table: 1875 AfriNIC Prefixes per ASN: 23.08 AfriNIC Region origin ASes announcing only one prefix: 682 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1242 Number of AfriNIC addresses announced to Internet: 104063744 Equivalent to 6 /8s, 51 /16s and 227 /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 9938 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5729 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3983 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3615 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2813 843 467 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 195 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10709 11804 3741 AMAZON-02, US 11492 4643 309 546 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3987 8780 906 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3488 55082 2711 DNIC-AS-00749, US 22773 3427 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3089 23685 1933 ATT-INTERNET4, US 396982 2816 3574 433 GOOGLE-CLOUD-PLATFORM, US 16625 2796 1240 2104 AKAMAI-AS, 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 7637 1708 145 UNI2-AS, ES 39891 4462 269 54 ALJAWWALSTC-AS, SA 20940 3788 3395 125 AKAMAI-ASN1, NL 9009 3685 313 1871 M247, RO 12389 2856 2282 863 ROSTELECOM-AS, RU 34984 2333 359 584 TELLCOM-AS, TR 212238 1820 130 1340 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 8551 1434 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11692 3251 498 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2552 534 364 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1336 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1321 782 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1064 96 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 1622 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 966 523 48 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 541 82 3 KENET-AS, KE 37069 541 1100 11 MOBINIL, EG 37342 516 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 11692 3251 498 UNINET, MX 16509 10709 11804 3741 AMAZON-02, US 9808 9938 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7637 1708 145 UNI2-AS, ES 7545 5729 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4643 309 546 CABLEONE, US 39891 4462 269 54 ALJAWWALSTC-AS, SA 18403 4347 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3987 8780 906 COGENT-174, US 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 9938 9863 CHINAMOBILE-CN China Mobile Communications Grou 12479 7637 7492 UNI2-AS, ES 16509 10709 6968 AMAZON-02, US 7545 5729 5070 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4462 4408 ALJAWWALSTC-AS, SA 18403 4347 4324 FPT-AS-AP FPT Telecom Company, VN 11492 4643 4097 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3983 3962 VIETEL-AS-AP Viettel Group, VN 20940 3788 3663 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-D 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 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 46639 UNALLOCATED 8.38.73.0/24 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 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:37 /11:92 /12:295 /13:573 /14:1166 /15:2064 /16:13162 /17:8141 /18:13599 /19:24271 /20:43545 /21:51335 /22:110973 /23:99341 /24:583019 /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 6693 7637 UNI2-AS, ES 8151 5860 11692 UNINET, MX 11492 3554 4643 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3352 4462 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2561 3427 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 16509 2172 10709 AMAZON-02, US 30036 2160 2498 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1513 3:470 4:8 5:4487 6:161 7:6 8:1509 9:1 11:172 12:1429 13:374 14:2378 15:328 16:259 17:359 18:884 20:408 21:4 22:188 23:6831 24:2681 25:2 27:2630 29:19 31:2718 32:44 34:68 35:138 36:2358 37:4499 38:8544 39:916 40:154 41:4114 42:2019 43:2413 44:333 45:17461 46:4595 47:299 49:1975 50:1877 51:579 52:1581 54:316 55:961 56:8 57:215 58:2170 59:1200 60:1073 61:2760 62:2758 63:1845 64:5434 65:2279 66:4644 67:3021 68:1342 69:4001 70:1142 71:563 72:2856 74:2776 75:1634 76:620 77:2535 78:1858 79:1608 80:2195 81:2011 82:1677 83:1373 84:1755 85:3165 86:996 87:2073 88:1244 89:4306 90:683 91:8235 92:2481 93:2757 94:3766 95:4267 96:1274 97:316 98:1072 99:738 100:73 101:1157 102:3374 103:32252 104:4380 105:701 106:983 107:2379 108:1155 109:3952 110:2132 111:3241 112:2048 113:1800 114:1884 115:2040 116:1958 117:2672 118:2865 119:1986 120:1804 121:1350 122:2695 123:2132 124:1619 125:2820 126:64 128:1366 129:930 130:1211 131:1846 132:814 133:428 134:1506 135:309 136:1197 137:1068 138:2842 139:1516 140:1448 141:1445 142:1742 143:1620 144:1022 145:366 146:2078 147:2032 148:2538 149:2787 150:1069 151:1366 152:2095 153:502 154:6524 155:1434 156:2449 157:1811 158:1180 159:2436 160:3081 161:1719 162:3554 163:1750 164:1691 165:2141 166:1307 167:1838 168:4042 169:768 170:4953 171:1031 172:3906 173:3091 174:902 175:1250 176:3457 177:4893 178:3595 179:2200 180:2447 181:3895 182:3316 183:2038 184:2260 185:21020 186:5016 187:4285 188:4105 189:4163 190:9618 191:1525 192:11026 193:9220 194:7522 195:5388 196:3232 197:3080 198:5915 199:8090 200:8133 201:6358 202:10232 203:10337 204:4577 205:3635 206:4472 207:3528 208:4170 209:5089 210:4497 211:2558 212:4430 213:3662 214:1064 215:63 216:6646 217:2940 218:1323 219:388 220:2036 221:1046 222:709 223:2236 End of report