IPv4 R&E Routing Table Report 23:05 GMT Mon 02 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: 950121 Prefixes after maximum aggregation (per Origin AS): 364622 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466452 Number of IPv4 prefixes with a valid ROA: 495134 Number of IPv4 prefixes with an invalid ROA: 1295 Number of IPv4 prefixes with no ROA: 453692 Total ASes present in the Internet Routing Table: 75928 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65222 Origin ASes announcing only one prefix: 26761 Transit ASes present in the Internet Routing Table: 10706 Transit-only ASes present in the Internet Routing Table: 512 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: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 983 Number of instances of unregistered ASNs: 990 Number of 32-bit ASNs allocated by the RIRs: 45296 Number of 32-bit ASNs visible in the Routing Table: 36928 Prefixes from 32-bit ASNs in the Routing Table: 191169 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: 604 Number of addresses announced to Internet: 3033480192 Equivalent to 180 /8s, 207 /16s and 60 /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: 312295 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251014 Total APNIC prefixes after maximum aggregation: 74781 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242912 Unique aggregates announced from the APNIC address blocks: 100812 APNIC Region origin ASes present in the Internet Routing Table: 14247 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4333 APNIC Region transit ASes present in the Internet Routing Table: 1892 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: 9718 Number of APNIC addresses announced to Internet: 761339392 Equivalent to 45 /8s, 97 /16s and 30 /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: 277911 Total ARIN prefixes after maximum aggregation: 125523 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281900 Unique aggregates announced from the ARIN address blocks: 134736 ARIN Region origin ASes present in the Internet Routing Table: 19097 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1897 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4967 Number of ARIN addresses announced to Internet: 1266612224 Equivalent to 75 /8s, 126 /16s and 248 /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: 265968 Total RIPE prefixes after maximum aggregation: 128307 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261957 Unique aggregates announced from the RIPE address blocks: 166389 RIPE Region origin ASes present in the Internet Routing Table: 28672 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12094 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11950 Number of RIPE addresses announced to Internet: 723715072 Equivalent to 43 /8s, 35 /16s and 4 /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: 122125 Total LACNIC prefixes after maximum aggregation: 28963 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120001 Unique aggregates announced from the LACNIC address blocks: 49748 LACNIC Region origin ASes present in the Internet Routing Table: 11147 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2452 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: 9055 Number of LACNIC addresses announced to Internet: 177189120 Equivalent to 10 /8s, 143 /16s and 177 /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: 32120 Total AfriNIC prefixes after maximum aggregation: 6414 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 42747 Unique aggregates announced from the AfriNIC address blocks: 14255 AfriNIC Region origin ASes present in the Internet Routing Table: 1875 AfriNIC Prefixes per ASN: 22.80 AfriNIC Region origin ASes announcing only one prefix: 686 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1238 Number of AfriNIC addresses announced to Internet: 104300800 Equivalent to 6 /8s, 55 /16s and 129 /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 9898 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5700 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4290 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3938 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2790 826 481 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 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 10630 11798 3770 AMAZON-02, US 11492 4629 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3952 8782 910 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3419 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3244 54889 2496 DNIC-AS-00749, US 7018 2940 23674 1849 ATT-INTERNET4, US 16625 2933 1247 2115 AKAMAI-AS, US 396982 2795 3568 424 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 7678 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3795 3395 126 AKAMAI-ASN1, NL 9009 3660 312 1853 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2329 357 584 TELLCOM-AS, TR 212238 1789 128 1318 CDNEXT, GB 8551 1779 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 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 11834 3283 519 UNINET, MX 10620 3540 494 933 Telmex Colombia S.A., CO 13999 2514 353 674 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 773 206 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1147 374 163 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 22884 1065 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1042 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 1611 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 955 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 542 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 11834 3283 519 UNINET, MX 16509 10630 11798 3770 AMAZON-02, US 9808 9898 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7678 1708 145 UNI2-AS, ES 7545 5700 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4290 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3952 8782 910 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 9898 9823 CHINAMOBILE-CN China Mobile Communications Grou 12479 7678 7533 UNI2-AS, ES 16509 10630 6860 AMAZON-02, US 7545 5700 5040 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4290 4267 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4082 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3938 3918 VIETEL-AS-AP Viettel Group, VN 20940 3795 3669 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 /11:93 /12:295 /13:573 /14:1165 /15:2057 /16:13164 /17:8132 /18:13603 /19:24346 /20:43150 /21:51287 /22:111036 /23:99377 /24:581766 /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 6737 7678 UNI2-AS, ES 8151 5963 11834 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2552 3419 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2169 3540 Telmex Colombia S.A., CO 30036 2159 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2137 10630 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1528 3:451 4:6 5:4435 6:162 7:6 8:1514 9:1 11:172 12:1431 13:362 14:2368 15:327 16:259 17:362 18:876 20:408 21:4 22:188 23:6818 24:2679 25:2 27:2611 29:19 31:2670 32:44 34:68 35:137 36:2352 37:4511 38:8414 39:919 40:150 41:4085 42:1988 43:2403 44:332 45:17416 46:4658 47:299 49:1998 50:1861 51:574 52:1577 54:318 55:952 56:8 57:213 58:2155 59:1199 60:1064 61:2749 62:2776 63:1853 64:5456 65:2284 66:4599 67:3013 68:1339 69:4005 70:1145 71:560 72:2856 74:2674 75:1563 76:620 77:2512 78:1843 79:1769 80:2182 81:2013 82:1671 83:1365 84:1721 85:3170 86:961 87:2050 88:1245 89:4249 90:689 91:8201 92:2429 93:2730 94:3748 95:4270 96:1276 97:316 98:1065 99:735 100:73 101:1157 102:3349 103:32276 104:4490 105:714 106:983 107:2372 108:1163 109:4060 110:2135 111:3242 112:2048 113:1803 114:1854 115:2048 116:1953 117:2670 118:2871 119:1985 120:1797 121:1351 122:2689 123:2126 124:1606 125:2829 126:64 128:1351 129:933 130:1198 131:1858 132:806 133:428 134:1501 135:310 136:1182 137:1059 138:2854 139:1528 140:1447 141:1447 142:1691 143:1616 144:1029 145:370 146:2085 147:2025 148:2545 149:2792 150:1063 151:1356 152:2092 153:501 154:6462 155:1428 156:2438 157:1801 158:1176 159:2425 160:3039 161:1707 162:3541 163:1741 164:1684 165:2141 166:1300 167:1850 168:4027 169:800 170:4979 171:1035 172:3890 173:3077 174:902 175:1250 176:3435 177:4770 178:3590 179:2215 180:2456 181:3897 182:3331 183:2015 184:2258 185:20972 186:4976 187:4328 188:4095 189:4202 190:9540 191:1522 192:11033 193:9219 194:7508 195:5343 196:3231 197:2978 198:5904 199:8066 200:8053 201:6360 202:10216 203:10342 204:4561 205:3646 206:4487 207:3529 208:4170 209:5054 210:4495 211:2552 212:4404 213:3682 214:1063 215:49 216:6733 217:2950 218:1331 219:379 220:2031 221:1046 222:705 223:2231 End of report