IPv4 R&E Routing Table Report 23:05 GMT Tue 01 Nov, 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: 897856 Prefixes after maximum aggregation (per Origin AS): 341715 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440773 Number of IPv4 prefixes with a valid ROA: 358981 Number of IPv4 prefixes with an invalid ROA: 1651 Number of IPv4 prefixes with no ROA: 537224 Total ASes present in the Internet Routing Table: 73591 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63277 Origin ASes announcing only one prefix: 26004 Transit ASes present in the Internet Routing Table: 10314 Transit-only ASes present in the Internet Routing Table: 403 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: 1014 Number of instances of unregistered ASNs: 1017 Number of 32-bit ASNs allocated by the RIRs: 40531 Number of 32-bit ASNs visible in the Routing Table: 33554 Prefixes from 32-bit ASNs in the Routing Table: 162043 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3063464192 Equivalent to 182 /8s, 152 /16s and 193 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 301940 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232200 Total APNIC prefixes after maximum aggregation: 67336 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227201 Unique aggregates announced from the APNIC address blocks: 96760 APNIC Region origin ASes present in the Internet Routing Table: 12979 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3741 APNIC Region transit ASes present in the Internet Routing Table: 1746 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8280 Number of APNIC addresses announced to Internet: 773124608 Equivalent to 46 /8s, 20 /16s and 242 /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: 265649 Total ARIN prefixes after maximum aggregation: 120990 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267032 Unique aggregates announced from the ARIN address blocks: 128771 ARIN Region origin ASes present in the Internet Routing Table: 19011 ARIN Prefixes per ASN: 14.05 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4649 Number of ARIN addresses announced to Internet: 1289656576 Equivalent to 76 /8s, 222 /16s and 153 /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: 253769 Total RIPE prefixes after maximum aggregation: 119133 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250535 Unique aggregates announced from the RIPE address blocks: 154478 RIPE Region origin ASes present in the Internet Routing Table: 28136 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 12000 RIPE Region transit ASes present in the Internet Routing Table: 3972 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10854 Number of RIPE addresses announced to Internet: 716410624 Equivalent to 42 /8s, 179 /16s and 143 /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: 116441 Total LACNIC prefixes after maximum aggregation: 27886 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115870 Unique aggregates announced from the LACNIC address blocks: 48430 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2698 LACNIC Region transit ASes present in the Internet Routing Table: 2235 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: 8744 Number of LACNIC addresses announced to Internet: 175963904 Equivalent to 10 /8s, 124 /16s and 255 /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: 28783 Total AfriNIC prefixes after maximum aggregation: 5613 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36719 Unique aggregates announced from the AfriNIC address blocks: 11917 AfriNIC Region origin ASes present in the Internet Routing Table: 1701 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1027 Number of AfriNIC addresses announced to Internet: 108025344 Equivalent to 6 /8s, 112 /16s and 86 /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 9072 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5938 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3515 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3391 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2496 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2291 11250 594 KIXS-AS-KR Korea Telecom, KR 24560 2249 851 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2156 440 214 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7437 10585 2885 AMAZON-02, US 11492 4605 305 545 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3757 3061 341 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3552 1855 2542 AKAMAI-AS, US 6327 3516 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2626 24150 1591 ATT-INTERNET4, US 30036 2599 371 278 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2559 3480 350 GOOGLE-CLOUD-PLATFORM, 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 6933 1730 144 UNI2-AS, ES 20940 4101 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2290 912 ROSTELECOM-AS, RU 9009 2622 252 1346 M247, RO 6849 2397 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1768 929 550 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 3340 611 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2098 341 546 Mega Cable, S.A. de C.V., MX 28573 1331 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11664 1087 181 472 Techtel LMDS Comunicaciones Interactiva 26615 989 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 1560 393 21 LINKdotNET-AS, EG 24835 1544 521 31 RAYA-AS, EG 36992 1354 1520 271 ETISALAT-MISR, EG 36903 1248 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 816 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 23889 399 231 14 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 3340 611 Uninet S.A. de C.V., MX 9808 9072 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7437 10585 2885 AMAZON-02, US 12479 6933 1730 144 UNI2-AS, ES 7545 5938 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4605 305 545 CABLEONE, US 20940 4101 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 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 9072 9025 CHINAMOBILE-CN China Mobile Communications Grou 12479 6933 6789 UNI2-AS, ES 7545 5938 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7437 4552 AMAZON-02, US 11492 4605 4060 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4101 3927 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3616 3596 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.232.0/24 Origin: 54041 EVAN-PRATTEN, CA 23.142.232.0/24 Transit: 20473 AS-CHOOPA, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 /11:100 /12:294 /13:586 /14:1197 /15:2077 /16:13485 /17:8277 /18:13852 /19:24802 /20:43020 /21:50744 /22:108531 /23:96162 /24:534655 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5938 6933 UNI2-AS, ES 8151 4727 10770 Uninet S.A. de C.V., MX 11492 3516 4605 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3516 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3898 VIASAT-SP-BACKBONE, US 22773 2783 3757 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2258 2397 UKRTELNET, UA 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1011 3:167 4:5 5:4015 6:117 7:5 8:1558 9:1 11:173 12:1618 13:350 14:2371 15:279 16:69 17:359 18:350 20:236 21:4 22:188 23:5987 24:2462 25:6 27:2713 29:19 31:2460 32:90 34:7 35:93 36:1815 37:4491 38:3734 39:760 40:159 41:3931 42:1169 43:2231 44:300 45:16249 46:4186 47:367 49:1703 50:1920 51:244 52:1497 54:398 55:847 56:8 57:79 58:1720 59:1111 60:995 61:2400 62:2575 63:1957 64:5613 65:2327 66:4826 67:2981 68:1377 69:4144 70:1294 71:678 72:2989 74:2636 75:1474 76:597 77:2217 78:1820 79:3141 80:2043 81:1680 82:1506 83:1218 84:1428 85:2947 86:729 87:1917 88:1169 89:3424 90:549 91:7591 92:2044 93:2546 94:3537 95:3872 96:1348 97:348 98:1167 99:739 100:69 101:1296 102:2383 103:30309 104:4512 105:476 106:888 107:2537 108:893 109:4320 110:2010 111:3276 112:2048 113:1492 114:1513 115:1987 116:1868 117:2474 118:2323 119:1838 120:1678 121:1018 122:2555 123:2107 124:1511 125:2117 128:1208 129:968 130:967 131:2012 132:829 133:379 134:1905 135:288 136:883 137:902 138:2501 139:1511 140:1113 141:1475 142:1387 143:1401 144:1197 145:354 146:1861 147:1522 148:2246 149:1829 150:872 151:1138 152:1946 153:469 154:3792 155:1427 156:1614 157:1295 158:1027 159:2200 160:2565 161:1382 162:3498 163:1424 164:1676 165:1649 166:806 167:1722 168:3795 169:899 170:4536 171:847 172:3468 173:3100 174:1030 175:1168 176:3594 177:4761 178:3523 179:2118 180:2371 181:3319 182:3196 183:1939 184:2358 185:19868 186:4555 187:3952 188:4024 189:3418 190:8950 191:1451 192:10977 193:8739 194:7151 195:5061 196:3072 197:2459 198:5944 199:6049 200:7522 201:5790 202:10140 203:10027 204:4582 205:3454 206:3836 207:3364 208:4075 209:4763 210:4126 211:2329 212:4018 213:3554 214:1077 215:53 216:6507 217:2626 218:1267 219:406 220:1788 221:922 222:654 223:1980 End of report