IPv4 R&E Routing Table Report 23:05 GMT Mon 04 Dec, 2023 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: 928126 Prefixes after maximum aggregation (per Origin AS): 355146 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455099 Number of IPv4 prefixes with a valid ROA: 431200 Number of IPv4 prefixes with an invalid ROA: 1285 Number of IPv4 prefixes with no ROA: 495641 Total ASes present in the Internet Routing Table: 74856 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64404 Origin ASes announcing only one prefix: 26491 Transit ASes present in the Internet Routing Table: 10452 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1006 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 43172 Number of 32-bit ASNs visible in the Routing Table: 35374 Prefixes from 32-bit ASNs in the Routing Table: 177076 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3047173376 Equivalent to 181 /8s, 160 /16s and 45 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309219 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243828 Total APNIC prefixes after maximum aggregation: 71178 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237091 Unique aggregates announced from the APNIC address blocks: 99434 APNIC Region origin ASes present in the Internet Routing Table: 13702 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4115 APNIC Region transit ASes present in the Internet Routing Table: 1841 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9093 Number of APNIC addresses announced to Internet: 770735104 Equivalent to 45 /8s, 240 /16s and 124 /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: 272034 Total ARIN prefixes after maximum aggregation: 124005 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 276703 Unique aggregates announced from the ARIN address blocks: 132499 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1854 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: 4816 Number of ARIN addresses announced to Internet: 1276026880 Equivalent to 76 /8s, 14 /16s and 160 /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: 261656 Total RIPE prefixes after maximum aggregation: 124743 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256145 Unique aggregates announced from the RIPE address blocks: 160481 RIPE Region origin ASes present in the Internet Routing Table: 28450 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12100 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11440 Number of RIPE addresses announced to Internet: 714134016 Equivalent to 42 /8s, 144 /16s and 210 /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: 119332 Total LACNIC prefixes after maximum aggregation: 28538 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118090 Unique aggregates announced from the LACNIC address blocks: 49452 LACNIC Region origin ASes present in the Internet Routing Table: 11041 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2347 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8888 Number of LACNIC addresses announced to Internet: 178372608 Equivalent to 10 /8s, 161 /16s and 192 /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: 30270 Total AfriNIC prefixes after maximum aggregation: 6004 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39570 Unique aggregates announced from the AfriNIC address blocks: 12803 AfriNIC Region origin ASes present in the Internet Routing Table: 1795 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1137 Number of AfriNIC addresses announced to Internet: 107539200 Equivalent to 6 /8s, 104 /16s and 235 /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 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3643 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3384 494 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3261 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2635 853 368 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2192 442 200 TATACOMM-AS TATA Communications formerl 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 9358 11173 3338 AMAZON-02, US 11492 4559 302 679 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3490 3033 283 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3147 1396 2306 AKAMAI-AS, US 367 2999 3843 1423 DNIC-ASBLK-00306-00371, US 396982 2723 3631 373 GOOGLE-CLOUD-PLATFORM, US 7018 2569 23618 1604 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 7522 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3989 3397 140 AKAMAI-ASN1, NL 9009 3482 300 1621 M247, RO 8551 3432 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2301 911 ROSTELECOM-AS, RU 34984 2323 360 589 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1520 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 12128 3378 608 UNINET, MX 10620 3526 499 871 Telmex Colombia S.A., CO 13999 2475 338 645 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1087 174 432 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 36914 515 82 3 KENET-AS, KE 37342 491 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 12128 3378 608 UNINET, MX 9808 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9358 11173 3338 AMAZON-02, US 12479 7522 1714 146 UNI2-AS, ES 7545 5679 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4559 302 679 CABLEONE, US 18403 4393 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 3989 3397 140 AKAMAI-ASN1, NL 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 9734 9693 CHINAMOBILE-CN China Mobile Communications Grou 12479 7522 7376 UNI2-AS, ES 16509 9358 6020 AMAZON-02, US 7545 5679 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4393 4368 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4559 3880 CABLEONE, US 20940 3989 3849 AKAMAI-ASN1, NL 7552 3643 3623 VIETEL-AS-AP Viettel Group, VN 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 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 17054 EXPEDIENT, 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 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 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:37 /11:99 /12:298 /13:578 /14:1189 /15:2057 /16:13411 /17:8191 /18:13671 /19:24763 /20:43058 /21:51105 /22:109884 /23:99070 /24:560676 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6615 7522 UNI2-AS, ES 8151 6135 12128 UNINET, MX 11492 3473 4559 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2909 3432 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2560 3490 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2129 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3526 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2243 2:1427 3:278 4:5 5:4385 6:160 7:6 8:1489 9:1 11:172 12:1487 13:371 14:2319 15:304 16:205 17:361 18:698 20:318 21:4 22:188 23:6503 24:2561 25:2 27:2577 29:19 31:2545 32:53 34:33 35:116 36:2047 37:4464 38:5694 39:881 40:151 41:4090 42:2115 43:2296 44:328 45:16611 46:4376 47:310 49:1879 50:1874 51:573 52:1593 54:393 55:865 56:5 57:125 58:1834 59:1113 60:1009 61:2585 62:2716 63:1900 64:5468 65:2349 66:4974 67:3043 68:1344 69:4090 70:1174 71:608 72:2914 74:2618 75:1561 76:624 77:2332 78:1825 79:3026 80:2113 81:1851 82:1515 83:1321 84:1609 85:2960 86:778 87:1971 88:1232 89:3945 90:638 91:7872 92:2162 93:2638 94:3563 95:3987 96:1298 97:315 98:1013 99:737 100:94 101:1410 102:2958 103:32416 104:4784 105:592 106:969 107:2744 108:1135 109:4214 110:2130 111:3144 112:2079 113:1692 114:1736 115:1997 116:1922 117:2566 118:2742 119:1954 120:1770 121:1224 122:2624 123:2165 124:1596 125:2745 128:1431 129:898 130:1052 131:1984 132:821 133:410 134:1719 135:299 136:915 137:980 138:2717 139:1558 140:1337 141:1350 142:1532 143:1534 144:1003 145:342 146:1989 147:1631 148:2455 149:2318 150:1008 151:1287 152:1825 153:526 154:5262 155:1376 156:2106 157:1362 158:1053 159:2192 160:2615 161:1618 162:3564 163:1624 164:1624 165:1860 166:1099 167:1759 168:3803 169:793 170:4680 171:968 172:3760 173:2992 174:900 175:1203 176:3597 177:4539 178:3522 179:2171 180:2299 181:3604 182:3402 183:2025 184:2250 185:20416 186:4745 187:4272 188:3996 189:3936 190:9271 191:1499 192:10964 193:8950 194:7289 195:5192 196:3134 197:2628 198:5924 199:6613 200:7998 201:6223 202:10190 203:10038 204:4583 205:3661 206:4374 207:3409 208:4079 209:4879 210:4258 211:2465 212:4217 213:3391 214:1119 215:63 216:6726 217:2747 218:1287 219:412 220:1798 221:1009 222:696 223:2155 End of report