IPv4 R&E Routing Table Report 23:05 GMT Sat 10 Sep, 2022 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: 892765 Prefixes after maximum aggregation (per Origin AS): 339610 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439027 Number of IPv4 prefixes with a valid ROA: 349325 Number of IPv4 prefixes with an invalid ROA: 1541 Number of IPv4 prefixes with no ROA: 541899 Total ASes present in the Internet Routing Table: 73462 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63105 Origin ASes announcing only one prefix: 26006 Transit ASes present in the Internet Routing Table: 10357 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 972 Number of instances of unregistered ASNs: 972 Number of 32-bit ASNs allocated by the RIRs: 40144 Number of 32-bit ASNs visible in the Routing Table: 33278 Prefixes from 32-bit ASNs in the Routing Table: 159471 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 508 Number of addresses announced to Internet: 3068149248 Equivalent to 182 /8s, 224 /16s and 62 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 300079 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231071 Total APNIC prefixes after maximum aggregation: 66845 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226008 Unique aggregates announced from the APNIC address blocks: 96202 APNIC Region origin ASes present in the Internet Routing Table: 12852 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3717 APNIC Region transit ASes present in the Internet Routing Table: 1745 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8147 Number of APNIC addresses announced to Internet: 772936960 Equivalent to 46 /8s, 18 /16s and 21 /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, 131072-151865 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: 263720 Total ARIN prefixes after maximum aggregation: 120595 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264316 Unique aggregates announced from the ARIN address blocks: 128056 ARIN Region origin ASes present in the Internet Routing Table: 18992 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 6935 ARIN Region transit ASes present in the Internet Routing Table: 1859 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4591 Number of ARIN addresses announced to Internet: 1293397248 Equivalent to 77 /8s, 23 /16s and 173 /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: 252443 Total RIPE prefixes after maximum aggregation: 118165 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249674 Unique aggregates announced from the RIPE address blocks: 153496 RIPE Region origin ASes present in the Internet Routing Table: 28173 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 4017 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10808 Number of RIPE addresses announced to Internet: 717314048 Equivalent to 42 /8s, 193 /16s and 88 /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 196608-213403 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: 116356 Total LACNIC prefixes after maximum aggregation: 27687 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115945 Unique aggregates announced from the LACNIC address blocks: 48940 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2702 LACNIC Region transit ASes present in the Internet Routing Table: 2222 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8720 Number of LACNIC addresses announced to Internet: 176397824 Equivalent to 10 /8s, 131 /16s and 158 /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: 28203 Total AfriNIC prefixes after maximum aggregation: 5577 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36314 Unique aggregates announced from the AfriNIC address blocks: 11900 AfriNIC Region origin ASes present in the Internet Routing Table: 1682 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1012 Number of AfriNIC addresses announced to Internet: 107821568 Equivalent to 6 /8s, 109 /16s and 58 /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 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3369 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2440 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2231 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2195 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 214 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 7128 10478 2800 AMAZON-02, US 11492 4577 303 535 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3806 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3507 1812 2523 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2608 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2360 4936 405 CENTURYLINK-US-LEGACY-QWEST, 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 6930 1730 144 UNI2-AS, ES 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2758 355 21 UKRTELNET, UA 9009 2594 251 1337 M247, GB 34984 2267 359 635 TELLCOM-AS, TR 58224 1763 929 505 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10929 3393 555 Uninet S.A. de C.V., MX 10620 3500 515 788 Telmex Colombia S.A., CO 11830 2334 369 64 Instituto Costarricense de Electricidad 13999 1986 323 508 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1275 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 984 2466 43 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 1477 393 21 LINKdotNET-AS, EG 24835 1388 521 31 RAYA-AS, EG 36992 1347 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 981 68 38 ORANGE-COTE-IVOIRE, CI 36935 805 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 477 32 1 MOVITEL, MZ 23889 401 232 16 MauritiusTelecom, MU 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 10929 3393 555 Uninet S.A. de C.V., MX 9808 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7128 10478 2800 AMAZON-02, US 12479 6930 1730 144 UNI2-AS, ES 7545 5931 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4577 303 535 CABLEONE, US 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, 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 9084 9037 CHINAMOBILE-CN China Mobile Communications Grou 12479 6930 6786 UNI2-AS, ES 7545 5931 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7128 4328 AMAZON-02, US 11492 4577 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4042 3850 AKAMAI-ASN1, NL 7552 3586 3566 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.140.248.0/24 Origin: 204340 IPVX-SOLUTIONS, PL 23.140.248.0/24 Transit: 924 CLOUDIE-NETWORKS-LLC, US 23.140.249.0/24 Origin: 204340 IPVX-SOLUTIONS, PL 23.140.249.0/24 Transit: 924 CLOUDIE-NETWORKS-LLC, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /9:13 /10:38 /11:101 /12:298 /13:589 /14:1205 /15:2098 /16:13470 /17:8273 /18:13786 /19:24697 /20:43177 /21:50860 /22:107655 /23:95676 /24:530807 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5917 6930 UNI2-AS, ES 8151 4662 10929 Uninet S.A. de C.V., MX 11492 3494 4577 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2822 3806 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2615 2758 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1937 2:1030 3:162 4:5 5:3885 6:116 7:6 8:1543 9:1 11:172 12:1635 13:341 14:2355 15:258 16:52 17:361 18:278 20:244 21:4 22:188 23:5922 24:2421 25:6 27:2645 29:19 31:2418 32:91 34:7 35:89 36:1880 37:4494 38:3498 39:739 40:155 41:3906 42:1132 43:2200 44:291 45:16084 46:4163 47:301 49:1712 50:1928 51:240 52:1487 54:385 55:767 56:8 57:63 58:1722 59:1111 60:982 61:2300 62:2535 63:1912 64:5574 65:2299 66:4859 67:2973 68:1205 69:4129 70:1301 71:683 72:3026 74:2633 75:1420 76:580 77:2257 78:1867 79:3132 80:2068 81:1654 82:1494 83:1205 84:1371 85:2931 86:727 87:1907 88:1154 89:3414 90:567 91:7635 92:2048 93:2539 94:3524 95:3852 96:1309 97:351 98:1033 99:720 100:75 101:1298 102:2316 103:29792 104:4534 105:471 106:889 107:2547 108:882 109:4317 110:1994 111:3287 112:2046 113:1481 114:1489 115:1969 116:1883 117:2481 118:2321 119:1825 120:1707 121:1009 122:2516 123:2090 124:1546 125:2082 128:1179 129:1012 130:999 131:2039 132:808 133:375 134:1935 135:297 136:865 137:870 138:2525 139:1510 140:987 141:1457 142:1333 143:1422 144:1195 145:342 146:1840 147:1510 148:2211 149:1812 150:854 151:1085 152:1928 153:467 154:3758 155:1421 156:1692 157:1279 158:1036 159:2191 160:2516 161:1322 162:3495 163:1388 164:1632 165:1651 166:780 167:1764 168:3796 169:869 170:4529 171:844 172:3348 173:3112 174:1020 175:1156 176:3597 177:4717 178:3572 179:2140 180:2365 181:3254 182:3194 183:1933 184:2366 185:19666 186:4605 187:3899 188:3998 189:3444 190:8980 191:1467 192:10967 193:8655 194:7115 195:5054 196:3029 197:2454 198:5939 199:6013 200:7603 201:5789 202:10131 203:9990 204:4497 205:3458 206:3704 207:3389 208:4035 209:4693 210:4169 211:2290 212:4032 213:3478 214:1112 215:66 216:6365 217:2622 218:1269 219:400 220:1753 221:977 222:659 223:1973 End of report