IPv4 R&E Routing Table Report 23:05 GMT Mon 05 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: 892673 Prefixes after maximum aggregation (per Origin AS): 339672 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438727 Number of IPv4 prefixes with a valid ROA: 348706 Number of IPv4 prefixes with an invalid ROA: 1412 Number of IPv4 prefixes with no ROA: 542555 Total ASes present in the Internet Routing Table: 73436 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63091 Origin ASes announcing only one prefix: 26015 Transit ASes present in the Internet Routing Table: 10345 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1006 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 40131 Number of 32-bit ASNs visible in the Routing Table: 33244 Prefixes from 32-bit ASNs in the Routing Table: 159281 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: 514 Number of addresses announced to Internet: 3067940096 Equivalent to 182 /8s, 221 /16s and 13 /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: 300198 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230743 Total APNIC prefixes after maximum aggregation: 66757 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225852 Unique aggregates announced from the APNIC address blocks: 96196 APNIC Region origin ASes present in the Internet Routing Table: 12838 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3727 APNIC Region transit ASes present in the Internet Routing Table: 1751 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8138 Number of APNIC addresses announced to Internet: 772839424 Equivalent to 46 /8s, 16 /16s and 152 /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: 263431 Total ARIN prefixes after maximum aggregation: 120674 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263875 Unique aggregates announced from the ARIN address blocks: 127838 ARIN Region origin ASes present in the Internet Routing Table: 18995 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6936 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 4587 Number of ARIN addresses announced to Internet: 1293524992 Equivalent to 77 /8s, 25 /16s and 160 /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: 252836 Total RIPE prefixes after maximum aggregation: 118257 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249908 Unique aggregates announced from the RIPE address blocks: 153397 RIPE Region origin ASes present in the Internet Routing Table: 28163 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 4013 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: 10788 Number of RIPE addresses announced to Internet: 717194240 Equivalent to 42 /8s, 191 /16s and 132 /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: 116250 Total LACNIC prefixes after maximum aggregation: 27687 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115918 Unique aggregates announced from the LACNIC address blocks: 48951 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: 2707 LACNIC Region transit ASes present in the Internet Routing Table: 2215 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: 8716 Number of LACNIC addresses announced to Internet: 176245248 Equivalent to 10 /8s, 129 /16s and 74 /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: 28407 Total AfriNIC prefixes after maximum aggregation: 5561 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36606 Unique aggregates announced from the AfriNIC address blocks: 11905 AfriNIC Region origin ASes present in the Internet Routing Table: 1683 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1015 Number of AfriNIC addresses announced to Internet: 107852288 Equivalent to 6 /8s, 109 /16s and 178 /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 9079 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2231 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 6957 10416 2828 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3810 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3486 1801 2513 AKAMAI-AS, US 6327 3455 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2607 370 271 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2533 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2359 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 6905 1730 144 UNI2-AS, ES 20940 4042 3359 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2609 252 1351 M247, GB 34984 2264 359 633 TELLCOM-AS, TR 58224 1764 929 508 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 10916 3394 558 Uninet S.A. de C.V., MX 10620 3494 514 787 Telmex Colombia S.A., CO 11830 2337 369 64 Instituto Costarricense de Electricidad 13999 1982 321 507 Mega Cable, S.A. de C.V., MX 28573 1359 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 1053 180 461 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 1601 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 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 401 232 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 10916 3394 558 Uninet S.A. de C.V., MX 9808 9079 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6957 10416 2828 AMAZON-02, US 12479 6905 1730 144 UNI2-AS, ES 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 550 CABLEONE, US 20940 4042 3359 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 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 9079 9032 CHINAMOBILE-CN China Mobile Communications Grou 12479 6905 6761 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6957 4129 AMAZON-02, US 11492 4575 4025 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4042 3849 AKAMAI-ASN1, NL 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 /15:2098 /16:13472 /17:8274 /18:13831 /19:24760 /20:43141 /21:50785 /22:107771 /23:95671 /24:530605 /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 5892 6905 UNI2-AS, ES 8151 4649 10916 Uninet S.A. de C.V., MX 11492 3492 4575 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3265 3455 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2829 3810 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2263 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1936 2:1022 3:162 4:5 5:3868 6:115 7:6 8:1541 9:1 11:172 12:1640 13:343 14:2359 15:250 16:46 17:360 18:221 20:244 21:4 22:188 23:5909 24:2421 25:6 27:2654 29:19 31:2413 32:90 34:7 35:89 36:1879 37:4488 38:3470 39:740 40:154 41:3936 42:1130 43:2215 44:292 45:16093 46:4161 47:300 49:1709 50:1942 51:240 52:1471 54:387 55:762 56:8 57:63 58:1722 59:1106 60:983 61:2280 62:2548 63:1914 64:5576 65:2303 66:4856 67:2979 68:1207 69:4142 70:1301 71:683 72:3024 74:2634 75:1406 76:579 77:2263 78:1913 79:3130 80:2062 81:1660 82:1492 83:1202 84:1373 85:2938 86:732 87:1907 88:1172 89:3420 90:560 91:7633 92:2046 93:2536 94:3531 95:3867 96:1307 97:351 98:1033 99:720 100:77 101:1295 102:2307 103:29804 104:4544 105:471 106:888 107:2543 108:878 109:4319 110:1999 111:3286 112:2049 113:1477 114:1482 115:1984 116:1888 117:2474 118:2322 119:1829 120:1765 121:1009 122:2514 123:2095 124:1536 125:2074 128:1174 129:1016 130:999 131:2032 132:808 133:377 134:1933 135:299 136:861 137:870 138:2524 139:1510 140:941 141:1459 142:1335 143:1395 144:1196 145:342 146:1830 147:1502 148:2210 149:1819 150:863 151:1079 152:1869 153:466 154:3757 155:1450 156:1727 157:1282 158:1036 159:2186 160:2533 161:1326 162:3500 163:1396 164:1616 165:1647 166:779 167:1768 168:3782 169:868 170:4530 171:843 172:3332 173:3109 174:1021 175:1155 176:3609 177:4748 178:3576 179:2139 180:2368 181:3254 182:3192 183:1937 184:2364 185:19648 186:4591 187:3880 188:3984 189:3427 190:8985 191:1460 192:10981 193:8652 194:7102 195:5040 196:3043 197:2452 198:5940 199:6009 200:7566 201:5806 202:10110 203:9975 204:4498 205:3445 206:3704 207:3391 208:4033 209:4691 210:4149 211:2287 212:4033 213:3476 214:1113 215:66 216:6366 217:2633 218:1265 219:405 220:1754 221:945 222:659 223:1971 End of report