IPv4 R&E Routing Table Report 23:05 GMT Wed 12 Oct, 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: 896441 Prefixes after maximum aggregation (per Origin AS): 340862 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440228 Number of IPv4 prefixes with a valid ROA: 354507 Number of IPv4 prefixes with an invalid ROA: 1772 Number of IPv4 prefixes with no ROA: 540162 Total ASes present in the Internet Routing Table: 73566 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63191 Origin ASes announcing only one prefix: 25988 Transit ASes present in the Internet Routing Table: 10375 Transit-only ASes present in the Internet Routing Table: 402 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: 1171 Number of instances of unregistered ASNs: 1174 Number of 32-bit ASNs allocated by the RIRs: 40346 Number of 32-bit ASNs visible in the Routing Table: 33448 Prefixes from 32-bit ASNs in the Routing Table: 161168 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: 580 Number of addresses announced to Internet: 3064564736 Equivalent to 182 /8s, 169 /16s and 140 /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: 301230 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231887 Total APNIC prefixes after maximum aggregation: 67135 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226726 Unique aggregates announced from the APNIC address blocks: 96514 APNIC Region origin ASes present in the Internet Routing Table: 12941 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3733 APNIC Region transit ASes present in the Internet Routing Table: 1751 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8244 Number of APNIC addresses announced to Internet: 773310208 Equivalent to 46 /8s, 23 /16s and 199 /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: 265076 Total ARIN prefixes after maximum aggregation: 120754 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266226 Unique aggregates announced from the ARIN address blocks: 128452 ARIN Region origin ASes present in the Internet Routing Table: 18978 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6941 ARIN Region transit ASes present in the Internet Routing Table: 1874 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: 4615 Number of ARIN addresses announced to Internet: 1290734336 Equivalent to 76 /8s, 239 /16s and 11 /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: 253350 Total RIPE prefixes after maximum aggregation: 118709 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250267 Unique aggregates announced from the RIPE address blocks: 153921 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12016 RIPE Region transit ASes present in the Internet Routing Table: 3996 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: 10836 Number of RIPE addresses announced to Internet: 716394496 Equivalent to 42 /8s, 179 /16s and 80 /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: 116317 Total LACNIC prefixes after maximum aggregation: 27837 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115865 Unique aggregates announced from the LACNIC address blocks: 48830 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2246 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: 8732 Number of LACNIC addresses announced to Internet: 175906816 Equivalent to 10 /8s, 124 /16s and 32 /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: 28640 Total AfriNIC prefixes after maximum aggregation: 5575 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36777 Unique aggregates announced from the AfriNIC address blocks: 12033 AfriNIC Region origin ASes present in the Internet Routing Table: 1692 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 1021 Number of AfriNIC addresses announced to Internet: 107905280 Equivalent to 6 /8s, 110 /16s and 129 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5928 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3522 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2469 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2235 852 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2136 425 217 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 7349 10564 2882 AMAZON-02, US 11492 4597 304 534 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3774 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3553 1851 2545 AKAMAI-AS, US 6327 3490 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2598 367 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2592 24156 1591 ATT-INTERNET4, US 396982 2552 3479 345 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 6878 1730 144 UNI2-AS, ES 20940 4104 3399 173 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2615 252 1343 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2242 357 616 TELLCOM-AS, TR 58224 1756 920 589 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 10870 3339 596 Uninet S.A. de C.V., MX 10620 3477 510 840 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2055 335 529 Mega Cable, S.A. de C.V., MX 28573 1350 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1076 369 22 Telefonica del Peru S.A.A., PE 11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva 26615 986 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 1568 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1266 550 99 MT-MPLS, MA 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 483 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 10870 3339 596 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7349 10564 2882 AMAZON-02, US 12479 6878 1730 144 UNI2-AS, ES 7545 5928 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4597 304 534 CABLEONE, US 20940 4104 3399 173 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3992 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6878 6734 UNI2-AS, ES 7545 5928 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7349 4467 AMAZON-02, US 11492 4597 4063 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3992 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3931 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 3257 GTT-BACKBONE GTT, US 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 /12:295 /13:586 /14:1194 /15:2077 /16:13473 /17:8302 /18:13823 /19:24795 /20:43042 /21:50825 /22:108049 /23:95976 /24:533830 /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 5890 6878 UNI2-AS, ES 8151 4756 10870 Uninet S.A. de C.V., MX 11492 3505 4597 CABLEONE, US 8551 3456 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3299 3490 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2785 3774 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2256 2598 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1029 3:166 4:5 5:3957 6:114 7:6 8:1552 9:1 11:173 12:1624 13:338 14:2364 15:267 16:69 17:362 18:336 20:241 21:4 22:188 23:5950 24:2457 25:6 27:2667 29:19 31:2446 32:91 34:7 35:90 36:1893 37:4495 38:3647 39:754 40:159 41:3920 42:1155 43:2264 44:295 45:16227 46:4198 47:377 49:1699 50:1929 51:242 52:1493 54:387 55:849 56:8 57:78 58:1721 59:1110 60:990 61:2376 62:2541 63:1919 64:5602 65:2315 66:4832 67:2953 68:1318 69:4160 70:1303 71:677 72:2988 74:2641 75:1474 76:592 77:2233 78:1820 79:3143 80:2041 81:1652 82:1517 83:1218 84:1404 85:2950 86:729 87:1914 88:1165 89:3416 90:543 91:7575 92:2048 93:2547 94:3533 95:3849 96:1344 97:343 98:1166 99:738 100:78 101:1295 102:2354 103:30169 104:4534 105:474 106:887 107:2534 108:891 109:4342 110:2003 111:3278 112:2044 113:1477 114:1512 115:1991 116:1891 117:2485 118:2326 119:1841 120:1708 121:1011 122:2541 123:2100 124:1513 125:2117 128:1183 129:965 130:962 131:2019 132:820 133:377 134:1900 135:290 136:877 137:885 138:2538 139:1516 140:1110 141:1484 142:1374 143:1404 144:1199 145:347 146:1854 147:1529 148:2238 149:1809 150:879 151:1117 152:1953 153:469 154:3846 155:1426 156:1694 157:1300 158:1041 159:2176 160:2559 161:1363 162:3510 163:1423 164:1666 165:1664 166:776 167:1726 168:3792 169:879 170:4540 171:850 172:3431 173:3099 174:1019 175:1153 176:3564 177:4755 178:3554 179:2130 180:2367 181:3254 182:3205 183:1940 184:2353 185:19808 186:4602 187:3954 188:4031 189:3457 190:8963 191:1448 192:10985 193:8731 194:7141 195:5044 196:3056 197:2447 198:5953 199:6034 200:7551 201:5811 202:10132 203:10013 204:4522 205:3473 206:3815 207:3377 208:4060 209:4735 210:4118 211:2324 212:3989 213:3549 214:1116 215:53 216:6479 217:2605 218:1271 219:404 220:1785 221:922 222:651 223:1978 End of report