IPv4 R&E Routing Table Report 23:05 GMT Fri 23 Feb, 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: 932199 Prefixes after maximum aggregation (per Origin AS): 356678 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457090 Number of IPv4 prefixes with a valid ROA: 447543 Number of IPv4 prefixes with an invalid ROA: 1060 Number of IPv4 prefixes with no ROA: 483596 Total ASes present in the Internet Routing Table: 75269 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64746 Origin ASes announcing only one prefix: 26587 Transit ASes present in the Internet Routing Table: 10523 Transit-only ASes present in the Internet Routing Table: 483 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: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 43684 Number of 32-bit ASNs visible in the Routing Table: 35884 Prefixes from 32-bit ASNs in the Routing Table: 181054 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3041260544 Equivalent to 181 /8s, 69 /16s and 244 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308123 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245494 Total APNIC prefixes after maximum aggregation: 72216 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238302 Unique aggregates announced from the APNIC address blocks: 99930 APNIC Region origin ASes present in the Internet Routing Table: 13902 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4192 APNIC Region transit ASes present in the Internet Routing Table: 1855 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9342 Number of APNIC addresses announced to Internet: 774078208 Equivalent to 46 /8s, 35 /16s and 127 /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: 272143 Total ARIN prefixes after maximum aggregation: 123125 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276814 Unique aggregates announced from the ARIN address blocks: 132219 ARIN Region origin ASes present in the Internet Routing Table: 19060 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 4845 Number of ARIN addresses announced to Internet: 1269524480 Equivalent to 75 /8s, 171 /16s and 104 /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: 262125 Total RIPE prefixes after maximum aggregation: 125803 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257030 Unique aggregates announced from the RIPE address blocks: 161752 RIPE Region origin ASes present in the Internet Routing Table: 28548 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12129 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11612 Number of RIPE addresses announced to Internet: 713476864 Equivalent to 42 /8s, 134 /16s and 203 /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: 120938 Total LACNIC prefixes after maximum aggregation: 28759 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119480 Unique aggregates announced from the LACNIC address blocks: 49519 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2377 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: 8911 Number of LACNIC addresses announced to Internet: 177689856 Equivalent to 10 /8s, 151 /16s and 85 /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: 30440 Total AfriNIC prefixes after maximum aggregation: 6067 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40049 Unique aggregates announced from the AfriNIC address blocks: 13232 AfriNIC Region origin ASes present in the Internet Routing Table: 1822 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1174 Number of AfriNIC addresses announced to Internet: 106186752 Equivalent to 6 /8s, 84 /16s and 72 /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 9820 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3882 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2190 434 197 TATACOMM-AS TATA Communications formerl 45090 2149 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 9651 11239 3313 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3043 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3210 1399 2284 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3131 6637 659 COGENT-174, US 367 2912 3693 1417 DNIC-ASBLK-00306-00371, US 396982 2758 3639 397 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 7611 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3861 3395 126 AKAMAI-ASN1, NL 9009 3252 283 1584 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1520 95 132 TRIOLAN, UA 8452 1502 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 STARK-INDUSTRIES, 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 12501 3373 609 UNINET, MX 10620 3523 496 891 Telmex Colombia S.A., CO 13999 2522 342 644 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1330 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1308 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1212 340 498 Axtel, S.A.B. de C.V., MX 11664 1143 179 420 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1072 115 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1544 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1145 73 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 36914 535 82 3 KENET-AS, KE 15399 520 55 52 WANANCHI-, KE 37342 479 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 12501 3373 609 UNINET, MX 9808 9820 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9651 11239 3313 AMAZON-02, US 12479 7611 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3882 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 9820 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7611 7464 UNI2-AS, ES 16509 9651 6338 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4532 4507 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3882 3861 VIETEL-AS-AP Viettel Group, VN 20940 3861 3735 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 215433 UNALLOCATED 5.144.176.0/24 30823 AUROLOGIC aurologic GmbH, DE 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.160.121.0/24 Origin: 39937 LTECH, US 23.160.121.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.172.120.0/24 Origin: 47272 HYEHOST HYEHOST Hosting Solutions, GB 23.172.120.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:98 /12:300 /13:572 /14:1190 /15:2057 /16:13331 /17:8105 /18:13559 /19:24608 /20:43092 /21:50842 /22:109753 /23:98067 /24:566551 /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 6726 7611 UNI2-AS, ES 8151 6448 12501 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2654 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3523 Telmex Colombia S.A., CO 8551 2125 2649 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) ---------------------------------------------- 1:2284 2:1519 3:301 4:6 5:4469 6:164 7:6 8:1497 9:1 11:172 12:1468 13:387 14:2350 15:313 16:207 17:366 18:739 20:356 21:4 22:188 23:6586 24:2698 25:2 27:2566 29:19 31:2563 32:45 34:40 35:121 36:2190 37:4485 38:6954 39:892 40:140 41:4061 42:2170 43:2285 44:327 45:16798 46:4359 47:287 49:1895 50:1898 51:575 52:1582 54:312 55:883 56:5 57:149 58:1966 59:1119 60:1019 61:2611 62:2677 63:1904 64:5513 65:2328 66:4652 67:3046 68:1336 69:4044 70:1196 71:575 72:2890 74:2584 75:1554 76:629 77:2404 78:1840 79:2472 80:2136 81:1911 82:1502 83:1242 84:1628 85:3082 86:837 87:1966 88:1223 89:3994 90:677 91:7916 92:2192 93:2632 94:3644 95:4072 96:1285 97:312 98:1029 99:745 100:92 101:1160 102:3087 103:32422 104:4760 105:599 106:929 107:2761 108:1116 109:3991 110:2138 111:3154 112:2057 113:1751 114:1764 115:1979 116:1950 117:2655 118:2755 119:1947 120:1785 121:1266 122:2674 123:2192 124:1562 125:2838 126:28 128:1478 129:913 130:1082 131:1818 132:815 133:412 134:1707 135:312 136:922 137:1023 138:2782 139:1537 140:1369 141:1345 142:1555 143:1473 144:1006 145:343 146:2010 147:1701 148:2507 149:2532 150:1025 151:1322 152:1980 153:525 154:5655 155:1378 156:2093 157:1544 158:1096 159:2216 160:2604 161:1629 162:3594 163:1697 164:1634 165:2108 166:1064 167:1705 168:3795 169:788 170:4706 171:1000 172:3830 173:3017 174:894 175:1216 176:3637 177:4556 178:3516 179:2196 180:2369 181:3635 182:3400 183:2018 184:2264 185:20614 186:4903 187:4404 188:4012 189:4115 190:9311 191:1410 192:10948 193:8987 194:7415 195:5238 196:3145 197:2645 198:5900 199:7213 200:8069 201:6316 202:10146 203:10121 204:4520 205:3722 206:4424 207:3419 208:4109 209:4946 210:4367 211:2479 212:4277 213:3405 214:1117 215:44 216:6699 217:2816 218:1316 219:408 220:1822 221:1021 222:695 223:2205 End of report