IPv4 R&E Routing Table Report 23:05 GMT Sat 11 Jun, 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: 884846 Prefixes after maximum aggregation (per Origin AS): 336472 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433806 Number of IPv4 prefixes with a valid ROA: 329993 Number of IPv4 prefixes with an invalid ROA: 1259 Number of IPv4 prefixes with no ROA: 553594 Total ASes present in the Internet Routing Table: 73026 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62703 Origin ASes announcing only one prefix: 25780 Transit ASes present in the Internet Routing Table: 10323 Transit-only ASes present in the Internet Routing Table: 372 Paths with bogon ASNs present in the IPv4 Routing Table: 38 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 896 Number of instances of unregistered ASNs: 900 Number of 32-bit ASNs allocated by the RIRs: 39574 Number of 32-bit ASNs visible in the Routing Table: 32756 Prefixes from 32-bit ASNs in the Routing Table: 154797 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 494 Number of addresses announced to Internet: 3063683328 Equivalent to 182 /8s, 156 /16s and 25 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 297529 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228767 Total APNIC prefixes after maximum aggregation: 66153 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224131 Unique aggregates announced from the APNIC address blocks: 95258 APNIC Region origin ASes present in the Internet Routing Table: 12609 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 3602 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7892 Number of APNIC addresses announced to Internet: 772965376 Equivalent to 46 /8s, 18 /16s and 132 /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: 262213 Total ARIN prefixes after maximum aggregation: 120109 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262101 Unique aggregates announced from the ARIN address blocks: 126643 ARIN Region origin ASes present in the Internet Routing Table: 18954 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6903 ARIN Region transit ASes present in the Internet Routing Table: 1864 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4503 Number of ARIN addresses announced to Internet: 1292933888 Equivalent to 77 /8s, 16 /16s and 155 /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: 250168 Total RIPE prefixes after maximum aggregation: 116602 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247579 Unique aggregates announced from the RIPE address blocks: 151223 RIPE Region origin ASes present in the Internet Routing Table: 28100 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3995 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10702 Number of RIPE addresses announced to Internet: 713499648 Equivalent to 42 /8s, 135 /16s and 36 /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: 114884 Total LACNIC prefixes after maximum aggregation: 27436 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114662 Unique aggregates announced from the LACNIC address blocks: 48712 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2230 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: 8686 Number of LACNIC addresses announced to Internet: 176348160 Equivalent to 10 /8s, 130 /16s and 220 /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: 27918 Total AfriNIC prefixes after maximum aggregation: 5481 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35879 Unique aggregates announced from the AfriNIC address blocks: 11555 AfriNIC Region origin ASes present in the Internet Routing Table: 1648 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 568 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 973 Number of AfriNIC addresses announced to Internet: 107645952 Equivalent to 6 /8s, 106 /16s and 140 /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 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5919 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3490 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2412 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 425 217 TATACOMM-AS TATA Communications formerl 24560 2068 851 388 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6630 10371 2695 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 22773 3909 3071 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3455 1801 2512 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2622 375 192 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2464 2442 341 GOOGLE-CLOUD-PLATFORM, US 209 2436 4961 418 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 6835 1730 143 UNI2-AS, ES 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3964 3360 193 AKAMAI-ASN1, NL 39891 3873 226 43 ALJAWWALSTC-AS, SA 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2481 247 1281 M247, GB 34984 2245 357 633 TELLCOM-AS, TR 58224 1831 936 617 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 10709 3401 552 Uninet S.A. de C.V., MX 10620 3488 519 740 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1857 306 483 Mega Cable, S.A. de C.V., MX 6503 1445 355 527 Axtel, S.A.B. de C.V., MX 28573 1365 2332 273 CLARO S.A., BR 3816 1257 671 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 439 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1603 393 19 LINKdotNET-AS, EG 24835 1506 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 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 10709 3401 552 Uninet S.A. de C.V., MX 9808 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6835 1730 143 UNI2-AS, ES 16509 6630 10371 2695 AMAZON-02, US 7545 5919 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3964 3360 193 AKAMAI-ASN1, NL 22773 3909 3071 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 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 9213 9178 CHINAMOBILE-CN China Mobile Communications Grou 12479 6835 6692 UNI2-AS, ES 7545 5919 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6630 3935 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3873 3830 ALJAWWALSTC-AS, SA 20940 3964 3771 AKAMAI-ASN1, NL 7552 3578 3559 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 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 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:40 /11:99 /12:300 /13:588 /14:1199 /15:2087 /16:13475 /17:8237 /18:13720 /19:24776 /20:43055 /21:50854 /22:107224 /23:94893 /24:524264 /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 5812 6835 UNI2-AS, ES 8151 4427 10709 Uninet S.A. de C.V., MX 8551 3468 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3185 3873 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2910 3909 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2622 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1020 3:157 4:6 5:3796 6:108 7:5 8:1550 9:1 11:172 12:1681 13:333 14:2358 15:209 16:42 17:385 18:171 20:213 21:4 22:188 23:5664 24:2347 25:6 27:2612 29:19 31:2444 32:92 34:3 35:87 36:1800 37:4454 38:3043 39:709 40:152 41:3905 42:1118 43:2193 44:289 45:15803 46:4135 47:293 49:1672 50:2162 51:108 52:1443 54:381 55:756 56:8 57:59 58:1693 59:1093 60:961 61:2260 62:2483 63:1936 64:5530 65:2336 66:4829 67:2977 68:1193 69:4167 70:1326 71:681 72:3047 74:2654 75:1392 76:577 77:2177 78:1843 79:3126 80:1995 81:1612 82:1491 83:1207 84:1319 85:2925 86:711 87:1944 88:1135 89:3332 90:534 91:7592 92:2012 93:2548 94:3462 95:3860 96:1310 97:351 98:999 99:754 100:77 101:1272 102:2130 103:29119 104:4465 105:467 106:869 107:2535 108:838 109:4260 110:1974 111:3260 112:2035 113:1472 114:1474 115:1977 116:1884 117:2513 118:2328 119:1860 120:1668 121:1020 122:2509 123:2080 124:1539 125:2054 128:1186 129:1070 130:970 131:2025 132:803 133:378 134:1923 135:278 136:875 137:852 138:2422 139:1523 140:882 141:1419 142:1283 143:1407 144:1204 145:349 146:1815 147:1496 148:2205 149:1743 150:853 151:1078 152:1842 153:458 154:3552 155:1436 156:1721 157:1237 158:1047 159:2208 160:2534 161:1273 162:3464 163:1268 164:1615 165:1617 166:717 167:1742 168:3775 169:853 170:4475 171:829 172:3208 173:3116 174:1016 175:1141 176:3584 177:4584 178:3551 179:2085 180:2322 181:2979 182:3201 183:1948 184:2365 185:19521 186:4257 187:3801 188:3918 189:3307 190:8882 191:1314 192:10987 193:8614 194:7024 195:4938 196:3019 197:2387 198:5944 199:6018 200:7498 201:5823 202:10102 203:9981 204:4536 205:3441 206:3679 207:3337 208:4004 209:4669 210:4149 211:2325 212:4009 213:3405 214:1131 215:66 216:6461 217:2663 218:1273 219:407 220:1671 221:1007 222:652 223:2114 End of report