IPv4 R&E Routing Table Report 23:05 GMT Thu 30 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: 886328 Prefixes after maximum aggregation (per Origin AS): 337190 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434256 Number of IPv4 prefixes with a valid ROA: 332920 Number of IPv4 prefixes with an invalid ROA: 1309 Number of IPv4 prefixes with no ROA: 552085 Total ASes present in the Internet Routing Table: 73134 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62780 Origin ASes announcing only one prefix: 25836 Transit ASes present in the Internet Routing Table: 10354 Transit-only ASes present in the Internet Routing Table: 390 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 871 Number of instances of unregistered ASNs: 874 Number of 32-bit ASNs allocated by the RIRs: 39697 Number of 32-bit ASNs visible in the Routing Table: 32860 Prefixes from 32-bit ASNs in the Routing Table: 156018 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3067346176 Equivalent to 182 /8s, 211 /16s and 253 /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: 297829 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229192 Total APNIC prefixes after maximum aggregation: 66338 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224428 Unique aggregates announced from the APNIC address blocks: 95330 APNIC Region origin ASes present in the Internet Routing Table: 12672 APNIC Prefixes per ASN: 17.71 APNIC Region origin ASes announcing only one prefix: 3646 APNIC Region transit ASes present in the Internet Routing Table: 1734 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: 7950 Number of APNIC addresses announced to Internet: 772350208 Equivalent to 46 /8s, 9 /16s and 33 /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: 262120 Total ARIN prefixes after maximum aggregation: 120143 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262379 Unique aggregates announced from the ARIN address blocks: 126763 ARIN Region origin ASes present in the Internet Routing Table: 18972 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6914 ARIN Region transit ASes present in the Internet Routing Table: 1873 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4523 Number of ARIN addresses announced to Internet: 1296664832 Equivalent to 77 /8s, 73 /16s and 137 /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: 250826 Total RIPE prefixes after maximum aggregation: 117098 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247984 Unique aggregates announced from the RIPE address blocks: 151579 RIPE Region origin ASes present in the Internet Routing Table: 28131 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 4005 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: 10729 Number of RIPE addresses announced to Internet: 713903360 Equivalent to 42 /8s, 141 /16s and 77 /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: 115250 Total LACNIC prefixes after maximum aggregation: 27422 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115024 Unique aggregates announced from the LACNIC address blocks: 48736 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2234 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: 8682 Number of LACNIC addresses announced to Internet: 176367360 Equivalent to 10 /8s, 131 /16s and 39 /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: 28069 Total AfriNIC prefixes after maximum aggregation: 5517 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36020 Unique aggregates announced from the AfriNIC address blocks: 11430 AfriNIC Region origin ASes present in the Internet Routing Table: 1648 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 976 Number of AfriNIC addresses announced to Internet: 107779840 Equivalent to 6 /8s, 108 /16s and 151 /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 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2236 11123 591 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 216 TATACOMM-AS TATA Communications formerl 24560 2097 851 402 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 6692 10378 2681 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3879 3146 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3476 1787 2508 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2435 4952 415 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 6884 1730 144 UNI2-AS, ES 8551 4012 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3990 3360 195 AKAMAI-ASN1, NL 12389 2891 2289 909 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2549 253 1326 M247, GB 34984 2246 358 635 TELLCOM-AS, TR 58224 1802 935 589 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 10770 3403 551 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2435 369 64 Instituto Costarricense de Electricidad 13999 1895 311 498 Mega Cable, S.A. de C.V., MX 28573 1369 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 524 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1034 190 438 Techtel LMDS Comunicaciones Interactiva 26615 979 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 1613 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1315 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 23889 411 232 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 10770 3403 551 Uninet S.A. de C.V., MX 9808 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6884 1730 144 UNI2-AS, ES 16509 6692 10378 2681 AMAZON-02, US 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4012 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3990 3360 195 AKAMAI-ASN1, NL 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 9254 9208 CHINAMOBILE-CN China Mobile Communications Grou 12479 6884 6740 UNI2-AS, ES 7545 5927 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6692 4011 AMAZON-02, US 8551 4012 3973 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 20940 3990 3795 AKAMAI-ASN1, NL 7552 3566 3547 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 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 31.24.249.0/24 Origin: 211398 CRAZYGROUP-AS, BE 31.24.249.0/24 Transit: 34927 IFOG-GMBH, CH 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 /11:100 /12:303 /13:590 /14:1201 /15:2092 /16:13489 /17:8267 /18:13748 /19:24745 /20:43083 /21:50754 /22:107284 /23:95003 /24:525594 /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 5862 6884 UNI2-AS, ES 8151 4493 10770 Uninet S.A. de C.V., MX 8551 3476 4012 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2897 3879 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1915 2:1039 3:157 4:5 5:3804 6:109 7:6 8:1526 9:1 11:172 12:1646 13:334 14:2343 15:227 16:44 17:384 18:175 19:1 20:213 21:4 22:188 23:5721 24:2368 25:6 27:2614 29:19 31:2449 32:92 34:7 35:87 36:1826 37:4423 38:3177 39:712 40:152 41:3898 42:1118 43:2196 44:291 45:15924 46:4109 47:295 49:1679 50:1936 51:237 52:1455 54:384 55:847 56:8 57:60 58:1705 59:1112 60:964 61:2264 62:2502 63:1931 64:5526 65:2344 66:4839 67:2960 68:1188 69:4167 70:1324 71:679 72:3043 74:2621 75:1394 76:575 77:2222 78:1834 79:3130 80:1986 81:1595 82:1490 83:1210 84:1314 85:2938 86:713 87:1912 88:1147 89:3319 90:541 91:7600 92:2004 93:2547 94:3444 95:3832 96:1308 97:350 98:1007 99:751 100:75 101:1279 102:2120 103:29246 104:4483 105:467 106:870 107:2547 108:840 109:4272 110:1975 111:3283 112:2037 113:1467 114:1470 115:1967 116:1890 117:2562 118:2302 119:1846 120:1661 121:1024 122:2503 123:2087 124:1538 125:2046 128:1178 129:1054 130:975 131:2009 132:809 133:377 134:1933 135:279 136:889 137:865 138:2429 139:1523 140:888 141:1439 142:1295 143:1430 144:1205 145:347 146:1805 147:1506 148:2208 149:1720 150:859 151:1070 152:1844 153:461 154:3550 155:1445 156:1684 157:1259 158:1040 159:2228 160:2492 161:1284 162:3465 163:1280 164:1627 165:1623 166:751 167:1748 168:3806 169:883 170:4506 171:830 172:3222 173:3122 174:1017 175:1150 176:3551 177:4617 178:3534 179:2143 180:2326 181:3037 182:3207 183:1955 184:2343 185:19586 186:4346 187:3782 188:3950 189:3388 190:8939 191:1422 192:10981 193:8649 194:7028 195:4937 196:3041 197:2415 198:5941 199:6033 200:7487 201:5867 202:10091 203:10002 204:4529 205:3481 206:3650 207:3343 208:4002 209:4653 210:4139 211:2318 212:4008 213:3415 214:1147 215:65 216:6469 217:2630 218:1270 219:408 220:1712 221:969 222:653 223:2154 End of report