IPv4 R&E Routing Table Report 23:05 GMT Fri 02 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: 892321 Prefixes after maximum aggregation (per Origin AS): 339605 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438885 Number of IPv4 prefixes with a valid ROA: 348335 Number of IPv4 prefixes with an invalid ROA: 1355 Number of IPv4 prefixes with no ROA: 542631 Total ASes present in the Internet Routing Table: 73426 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63060 Origin ASes announcing only one prefix: 26002 Transit ASes present in the Internet Routing Table: 10366 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 964 Number of instances of unregistered ASNs: 964 Number of 32-bit ASNs allocated by the RIRs: 40116 Number of 32-bit ASNs visible in the Routing Table: 33227 Prefixes from 32-bit ASNs in the Routing Table: 159055 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: 511 Number of addresses announced to Internet: 3067948800 Equivalent to 182 /8s, 221 /16s and 47 /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: 299940 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230780 Total APNIC prefixes after maximum aggregation: 66839 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225811 Unique aggregates announced from the APNIC address blocks: 96486 APNIC Region origin ASes present in the Internet Routing Table: 12818 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3704 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8120 Number of APNIC addresses announced to Internet: 772691200 Equivalent to 46 /8s, 14 /16s and 85 /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: 263561 Total ARIN prefixes after maximum aggregation: 120603 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263973 Unique aggregates announced from the ARIN address blocks: 127839 ARIN Region origin ASes present in the Internet Routing Table: 18997 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6935 ARIN Region transit ASes present in the Internet Routing Table: 1860 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4585 Number of ARIN addresses announced to Internet: 1293606912 Equivalent to 77 /8s, 26 /16s and 224 /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: 252635 Total RIPE prefixes after maximum aggregation: 118221 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249728 Unique aggregates announced from the RIPE address blocks: 153215 RIPE Region origin ASes present in the Internet Routing Table: 28171 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 4020 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: 10790 Number of RIPE addresses announced to Internet: 717180416 Equivalent to 42 /8s, 191 /16s and 78 /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: 116001 Total LACNIC prefixes after maximum aggregation: 27658 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115657 Unique aggregates announced from the LACNIC address blocks: 48967 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2704 LACNIC Region transit ASes present in the Internet Routing Table: 2220 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: 8719 Number of LACNIC addresses announced to Internet: 176352256 Equivalent to 10 /8s, 130 /16s and 236 /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: 28380 Total AfriNIC prefixes after maximum aggregation: 5551 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36641 Unique aggregates announced from the AfriNIC address blocks: 11940 AfriNIC Region origin ASes present in the Internet Routing Table: 1680 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1013 Number of AfriNIC addresses announced to Internet: 107834880 Equivalent to 6 /8s, 109 /16s and 110 /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 9082 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2235 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 6966 10423 2785 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3809 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3491 1803 2517 AKAMAI-AS, US 6327 3455 1319 63 SHAW, CA 749 3034 50727 2292 DNIC-AS-00749, US 30036 2612 370 236 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2531 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2363 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 6891 1730 144 UNI2-AS, ES 20940 4050 3359 194 AKAMAI-ASN1, NL 8551 3994 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3874 226 44 ALJAWWALSTC-AS, SA 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2601 251 1348 M247, GB 34984 2264 359 632 TELLCOM-AS, TR 58224 1749 925 503 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 3393 557 Uninet S.A. de C.V., MX 10620 3495 515 789 Telmex Colombia S.A., CO 11830 2341 369 64 Instituto Costarricense de Electricidad 13999 1978 321 507 Mega Cable, S.A. de C.V., MX 28573 1360 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1273 699 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1049 179 460 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1602 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1325 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1000 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 3393 557 Uninet S.A. de C.V., MX 9808 9082 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6966 10423 2785 AMAZON-02, US 12479 6891 1730 144 UNI2-AS, ES 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 550 CABLEONE, US 20940 4050 3359 194 AKAMAI-ASN1, NL 8551 3994 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US 39891 3874 226 44 ALJAWWALSTC-AS, SA 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 9082 9035 CHINAMOBILE-CN China Mobile Communications Grou 12479 6891 6747 UNI2-AS, ES 7545 5927 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6966 4181 AMAZON-02, US 11492 4575 4025 CABLEONE, US 8551 3994 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4050 3856 AKAMAI-ASN1, NL 39891 3874 3830 ALJAWWALSTC-AS, SA 7552 3583 3563 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 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 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, 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 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 /10:38 /11:101 /12:298 /13:589 /14:1204 /15:2097 /16:13473 /17:8274 /18:13830 /19:24770 /20:43138 /21:50817 /22:107782 /23:95561 /24:530314 /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 5878 6891 UNI2-AS, ES 8151 4485 10709 Uninet S.A. de C.V., MX 11492 3492 4575 CABLEONE, US 8551 3453 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3265 3455 SHAW, CA 39891 3185 3874 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2829 3809 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2268 2612 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1939 2:1031 3:161 4:5 5:3864 6:115 7:6 8:1548 9:1 11:172 12:1640 13:340 14:2357 15:251 16:46 17:360 18:217 20:244 21:4 22:188 23:5908 24:2421 25:6 27:2654 29:19 31:2413 32:90 34:7 35:89 36:1875 37:4483 38:3473 39:723 40:154 41:3935 42:1130 43:2209 44:289 45:16086 46:4165 47:300 49:1709 50:1945 51:112 52:1471 54:384 55:840 56:8 57:63 58:1722 59:1107 60:984 61:2288 62:2542 63:1915 64:5565 65:2303 66:4852 67:2979 68:1206 69:4145 70:1301 71:683 72:3022 74:2634 75:1406 76:579 77:2261 78:1912 79:3130 80:2060 81:1663 82:1486 83:1213 84:1366 85:2935 86:734 87:1904 88:1172 89:3428 90:552 91:7642 92:2049 93:2539 94:3531 95:3881 96:1305 97:351 98:1029 99:720 100:77 101:1295 102:2307 103:29753 104:4552 105:470 106:889 107:2554 108:871 109:4319 110:2001 111:3286 112:2048 113:1475 114:1479 115:1985 116:1916 117:2478 118:2323 119:1818 120:1764 121:1010 122:2510 123:2078 124:1536 125:2074 128:1179 129:1017 130:999 131:2038 132:805 133:375 134:1931 135:299 136:858 137:874 138:2519 139:1511 140:944 141:1454 142:1337 143:1402 144:1190 145:342 146:1841 147:1500 148:2206 149:1804 150:861 151:1078 152:1871 153:466 154:3743 155:1451 156:1748 157:1284 158:1036 159:2187 160:2529 161:1326 162:3496 163:1390 164:1619 165:1647 166:780 167:1767 168:3792 169:868 170:4533 171:843 172:3340 173:3114 174:1021 175:1153 176:3610 177:4739 178:3574 179:2155 180:2366 181:3257 182:3191 183:1938 184:2364 185:19645 186:4566 187:3804 188:3973 189:3409 190:8978 191:1459 192:10962 193:8654 194:7097 195:5041 196:3050 197:2463 198:5943 199:6013 200:7545 201:5740 202:10117 203:10007 204:4505 205:3429 206:3704 207:3387 208:4033 209:4689 210:4153 211:2291 212:4030 213:3466 214:1119 215:66 216:6369 217:2630 218:1268 219:405 220:1752 221:945 222:660 223:1971 End of report