IPv4 R&E Routing Table Report 23:05 GMT Sun 03 Jul, 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: 887154 Prefixes after maximum aggregation (per Origin AS): 337328 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434495 Number of IPv4 prefixes with a valid ROA: 333580 Number of IPv4 prefixes with an invalid ROA: 1309 Number of IPv4 prefixes with no ROA: 552265 Total ASes present in the Internet Routing Table: 73150 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62787 Origin ASes announcing only one prefix: 25835 Transit ASes present in the Internet Routing Table: 10363 Transit-only ASes present in the Internet Routing Table: 390 Paths with bogon ASNs present in the IPv4 Routing Table: 39 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 904 Number of instances of unregistered ASNs: 908 Number of 32-bit ASNs allocated by the RIRs: 39733 Number of 32-bit ASNs visible in the Routing Table: 32864 Prefixes from 32-bit ASNs in the Routing Table: 156207 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 484 Number of addresses announced to Internet: 3067062784 Equivalent to 182 /8s, 207 /16s and 170 /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: 298219 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229382 Total APNIC prefixes after maximum aggregation: 66364 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224627 Unique aggregates announced from the APNIC address blocks: 95374 APNIC Region origin ASes present in the Internet Routing Table: 12674 APNIC Prefixes per ASN: 17.72 APNIC Region origin ASes announcing only one prefix: 3636 APNIC Region transit ASes present in the Internet Routing Table: 1732 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7949 Number of APNIC addresses announced to Internet: 772358656 Equivalent to 46 /8s, 9 /16s and 66 /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: 262209 Total ARIN prefixes after maximum aggregation: 120176 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262370 Unique aggregates announced from the ARIN address blocks: 126782 ARIN Region origin ASes present in the Internet Routing Table: 18979 ARIN Prefixes per ASN: 13.82 ARIN Region origin ASes announcing only one prefix: 6923 ARIN Region transit ASes present in the Internet Routing Table: 1879 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: 4526 Number of ARIN addresses announced to Internet: 1296474624 Equivalent to 77 /8s, 70 /16s and 162 /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: 250939 Total RIPE prefixes after maximum aggregation: 117154 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248218 Unique aggregates announced from the RIPE address blocks: 151765 RIPE Region origin ASes present in the Internet Routing Table: 28135 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 4012 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10726 Number of RIPE addresses announced to Internet: 713837056 Equivalent to 42 /8s, 140 /16s and 74 /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: 115674 Total LACNIC prefixes after maximum aggregation: 27441 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 115468 Unique aggregates announced from the LACNIC address blocks: 48733 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2237 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: 8688 Number of LACNIC addresses announced to Internet: 176321792 Equivalent to 10 /8s, 130 /16s and 117 /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: 28046 Total AfriNIC prefixes after maximum aggregation: 5512 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35987 Unique aggregates announced from the AfriNIC address blocks: 11429 AfriNIC Region origin ASes present in the Internet Routing Table: 1645 AfriNIC Prefixes per ASN: 21.88 AfriNIC Region origin ASes announcing only one prefix: 574 AfriNIC Region transit ASes present in the Internet Routing Table: 323 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: 975 Number of AfriNIC addresses announced to Internet: 107791872 Equivalent to 6 /8s, 108 /16s and 198 /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 5926 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3558 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2099 850 399 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 6711 10381 2675 AMAZON-02, US 11492 4508 299 676 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3884 3146 357 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3452 1772 2493 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2992 50740 2250 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2432 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 6882 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3988 3360 195 AKAMAI-ASN1, NL 12389 2891 2289 909 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2562 253 1328 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 58224 1802 935 587 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 10776 3404 551 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1897 311 498 Mega Cable, S.A. de C.V., MX 28573 1367 2328 275 Claro NXT Telecomunicacoes Ltda, BR 6503 1307 344 526 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 1035 190 440 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 1611 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 773 520 42 Vodafone-, EG 6713 610 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 10776 3404 551 Uninet S.A. de C.V., MX 9808 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6882 1730 144 UNI2-AS, ES 16509 6711 10381 2675 AMAZON-02, US 7545 5926 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4508 299 676 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3988 3360 195 AKAMAI-ASN1, NL 7155 3902 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 9254 9208 CHINAMOBILE-CN China Mobile Communications Grou 12479 6882 6738 UNI2-AS, ES 7545 5926 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6711 4036 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4508 3832 CABLEONE, US 20940 3988 3793 AKAMAI-ASN1, NL 7552 3558 3539 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /16:13483 /17:8272 /18:13746 /19:24739 /20:43088 /21:50773 /22:107460 /23:95105 /24:526127 /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 5860 6882 UNI2-AS, ES 8151 4497 10776 Uninet S.A. de C.V., MX 8551 3475 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4508 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2899 3884 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) ---------------------------------------------- 1:1917 2:1039 3:157 4:5 5:3807 6:109 7:6 8:1527 9:1 11:172 12:1644 13:336 14:2340 15:228 16:44 17:384 18:175 19:1 20:238 21:4 22:188 23:5727 24:2366 25:6 27:2612 29:19 31:2448 32:92 34:7 35:87 36:1826 37:4423 38:3174 39:712 40:152 41:3903 42:1118 43:2196 44:290 45:15970 46:4084 47:301 49:1681 50:1940 51:237 52:1456 54:386 55:844 56:8 57:60 58:1701 59:1112 60:964 61:2265 62:2503 63:1931 64:5525 65:2344 66:4842 67:2958 68:1187 69:4168 70:1324 71:679 72:3040 74:2623 75:1398 76:574 77:2220 78:1834 79:3133 80:1990 81:1620 82:1495 83:1210 84:1317 85:2939 86:713 87:1914 88:1150 89:3314 90:541 91:7595 92:2009 93:2542 94:3454 95:3831 96:1309 97:352 98:1004 99:751 100:76 101:1280 102:2110 103:29273 104:4478 105:467 106:871 107:2548 108:843 109:4274 110:1974 111:3284 112:2037 113:1468 114:1481 115:1970 116:1885 117:2563 118:2296 119:1838 120:1660 121:1035 122:2513 123:2088 124:1539 125:2048 128:1183 129:1052 130:975 131:2023 132:809 133:377 134:1935 135:279 136:892 137:867 138:2446 139:1524 140:886 141:1438 142:1289 143:1437 144:1202 145:350 146:1809 147:1508 148:2206 149:1709 150:859 151:1069 152:1848 153:459 154:3560 155:1442 156:1685 157:1261 158:1040 159:2227 160:2494 161:1284 162:3473 163:1282 164:1624 165:1624 166:748 167:1750 168:3804 169:882 170:4513 171:831 172:3222 173:3123 174:1017 175:1151 176:3528 177:4722 178:3530 179:2157 180:2329 181:3041 182:3207 183:1953 184:2344 185:19593 186:4364 187:3816 188:3957 189:3413 190:8952 191:1430 192:10974 193:8653 194:7061 195:4948 196:3035 197:2412 198:5942 199:6031 200:7533 201:5872 202:10100 203:9999 204:4529 205:3467 206:3648 207:3344 208:4004 209:4652 210:4142 211:2316 212:4012 213:3436 214:1147 215:66 216:6469 217:2639 218:1271 219:408 220:1717 221:968 222:654 223:2153 End of report