IPv4 R&E Routing Table Report 23:05 GMT Wed 11 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: 950412 Prefixes after maximum aggregation (per Origin AS): 364583 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465397 Number of IPv4 prefixes with a valid ROA: 496399 Number of IPv4 prefixes with an invalid ROA: 1323 Number of IPv4 prefixes with no ROA: 452690 Total ASes present in the Internet Routing Table: 75939 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65225 Origin ASes announcing only one prefix: 26794 Transit ASes present in the Internet Routing Table: 10714 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1013 Number of instances of unregistered ASNs: 1020 Number of 32-bit ASNs allocated by the RIRs: 45341 Number of 32-bit ASNs visible in the Routing Table: 36960 Prefixes from 32-bit ASNs in the Routing Table: 191175 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 579 Number of addresses announced to Internet: 3033527808 Equivalent to 180 /8s, 207 /16s and 246 /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: 312192 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250930 Total APNIC prefixes after maximum aggregation: 74684 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242689 Unique aggregates announced from the APNIC address blocks: 100430 APNIC Region origin ASes present in the Internet Routing Table: 14229 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4339 APNIC Region transit ASes present in the Internet Routing Table: 1884 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: 9705 Number of APNIC addresses announced to Internet: 761300736 Equivalent to 45 /8s, 96 /16s and 135 /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: 278398 Total ARIN prefixes after maximum aggregation: 125723 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 282229 Unique aggregates announced from the ARIN address blocks: 134914 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 4982 Number of ARIN addresses announced to Internet: 1266647296 Equivalent to 75 /8s, 127 /16s and 129 /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: 265537 Total RIPE prefixes after maximum aggregation: 128460 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261861 Unique aggregates announced from the RIPE address blocks: 166706 RIPE Region origin ASes present in the Internet Routing Table: 28688 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3927 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: 723188736 Equivalent to 43 /8s, 26 /16s and 252 /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: 122111 Total LACNIC prefixes after maximum aggregation: 28656 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 119945 Unique aggregates announced from the LACNIC address blocks: 48519 LACNIC Region origin ASes present in the Internet Routing Table: 11156 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2691 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: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9058 Number of LACNIC addresses announced to Internet: 177886720 Equivalent to 10 /8s, 154 /16s and 86 /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: 32423 Total AfriNIC prefixes after maximum aggregation: 6413 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 43109 Unique aggregates announced from the AfriNIC address blocks: 14342 AfriNIC Region origin ASes present in the Internet Routing Table: 1880 AfriNIC Prefixes per ASN: 22.93 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 360 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: 1245 Number of AfriNIC addresses announced to Internet: 104194048 Equivalent to 6 /8s, 53 /16s and 224 /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 9917 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5705 836 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4284 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3936 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3610 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2805 836 469 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2208 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 10666 11800 3750 AMAZON-02, US 11492 4640 308 544 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3998 8782 913 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3485 55081 2708 DNIC-AS-00749, US 22773 3424 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3093 23685 1932 ATT-INTERNET4, US 16625 2817 1252 2114 AKAMAI-AS, US 396982 2810 3570 431 GOOGLE-CLOUD-PLATFORM, 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 7636 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3800 3395 125 AKAMAI-ASN1, NL 9009 3668 312 1860 M247, RO 12389 2861 2287 859 ROSTELECOM-AS, RU 34984 2333 359 584 TELLCOM-AS, TR 212238 1803 129 1327 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 62240 1390 92 666 CLOUVIDER Clouvider - Global ASN, 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 11710 3258 504 UNINET, MX 10620 3542 494 934 Telmex Colombia S.A., CO 13999 2543 533 367 Mega Cable, S.A. de C.V., MX 11830 1994 369 64 Instituto Costarricense de Electricidad y 28573 1337 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1318 776 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1047 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 954 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 540 82 3 KENET-AS, KE 37342 515 32 1 MOVITEL, MZ 15399 510 57 58 WANANCHI-, KE 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 11710 3258 504 UNINET, MX 16509 10666 11800 3750 AMAZON-02, US 9808 9917 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7636 1708 145 UNI2-AS, ES 7545 5705 836 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4640 308 544 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4284 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3998 8782 913 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 9917 9842 CHINAMOBILE-CN China Mobile Communications Grou 12479 7636 7491 UNI2-AS, ES 16509 10666 6916 AMAZON-02, US 7545 5705 5046 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4284 4261 FPT-AS-AP FPT Telecom Company, VN 11492 4640 4096 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3936 3915 VIETEL-AS-AP Viettel Group, VN 20940 3800 3675 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 /14:1167 /15:2063 /16:13166 /17:8139 /18:13598 /19:24284 /20:43344 /21:51308 /22:111055 /23:99320 /24:581931 /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 6694 7636 UNI2-AS, ES 8151 5859 11710 UNINET, MX 11492 3551 4640 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2559 3424 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2171 3542 Telmex Colombia S.A., CO 30036 2163 2502 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2145 10666 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2275 2:1515 3:464 4:7 5:4474 6:161 7:6 8:1505 9:1 11:172 12:1428 13:372 14:2372 15:324 16:259 17:361 18:878 20:408 21:4 22:188 23:6812 24:2677 25:2 27:2616 29:19 31:2702 32:44 34:68 35:138 36:2355 37:4479 38:8501 39:921 40:153 41:4120 42:1970 43:2409 44:333 45:17452 46:4611 47:300 49:1975 50:1873 51:574 52:1580 54:317 55:963 56:8 57:213 58:2170 59:1201 60:1065 61:2761 62:2774 63:1845 64:5442 65:2279 66:4652 67:3024 68:1340 69:4001 70:1142 71:567 72:2849 74:2655 75:1567 76:620 77:2528 78:1854 79:1463 80:2194 81:2011 82:1684 83:1368 84:1734 85:3176 86:987 87:2058 88:1250 89:4300 90:683 91:8206 92:2495 93:2753 94:3747 95:4276 96:1273 97:316 98:1069 99:736 100:73 101:1157 102:3371 103:32190 104:4365 105:708 106:976 107:2381 108:1153 109:3910 110:2129 111:3241 112:2047 113:1802 114:1880 115:2045 116:1957 117:2670 118:2867 119:1981 120:1801 121:1351 122:2692 123:2126 124:1620 125:2822 126:64 128:1364 129:935 130:1208 131:1839 132:809 133:428 134:1506 135:309 136:1196 137:1071 138:2836 139:1513 140:1436 141:1448 142:1737 143:1622 144:1023 145:364 146:2069 147:2032 148:2541 149:2792 150:1071 151:1367 152:2089 153:500 154:6513 155:1433 156:2452 157:1804 158:1186 159:2428 160:3060 161:1707 162:3552 163:1745 164:1687 165:2140 166:1307 167:1852 168:4020 169:799 170:4954 171:1030 172:3895 173:3090 174:902 175:1251 176:3443 177:4736 178:3588 179:2190 180:2441 181:3898 182:3321 183:2022 184:2259 185:20996 186:5001 187:4301 188:4105 189:4145 190:9611 191:1514 192:11039 193:9222 194:7525 195:5373 196:3228 197:3095 198:5910 199:8107 200:8110 201:6311 202:10201 203:10330 204:4580 205:3638 206:4484 207:3534 208:4171 209:5075 210:4497 211:2557 212:4424 213:3663 214:1061 215:49 216:6729 217:2945 218:1330 219:388 220:2034 221:1046 222:706 223:2233 End of report