IPv4 R&E Routing Table Report 23:05 GMT Sat 12 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: 899173 Prefixes after maximum aggregation (per Origin AS): 342309 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441911 Number of IPv4 prefixes with a valid ROA: 360349 Number of IPv4 prefixes with an invalid ROA: 1663 Number of IPv4 prefixes with no ROA: 537161 Total ASes present in the Internet Routing Table: 73607 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63273 Origin ASes announcing only one prefix: 25994 Transit ASes present in the Internet Routing Table: 10334 Transit-only ASes present in the Internet Routing Table: 416 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1039 Number of instances of unregistered ASNs: 1041 Number of 32-bit ASNs allocated by the RIRs: 40604 Number of 32-bit ASNs visible in the Routing Table: 33593 Prefixes from 32-bit ASNs in the Routing Table: 162687 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3063655936 Equivalent to 182 /8s, 155 /16s and 174 /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: 302352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232673 Total APNIC prefixes after maximum aggregation: 67437 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227532 Unique aggregates announced from the APNIC address blocks: 96816 APNIC Region origin ASes present in the Internet Routing Table: 12965 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3729 APNIC Region transit ASes present in the Internet Routing Table: 1742 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8274 Number of APNIC addresses announced to Internet: 773205248 Equivalent to 46 /8s, 22 /16s and 45 /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: 266061 Total ARIN prefixes after maximum aggregation: 121101 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267448 Unique aggregates announced from the ARIN address blocks: 129018 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6987 ARIN Region transit ASes present in the Internet Routing Table: 1876 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: 4664 Number of ARIN addresses announced to Internet: 1289780480 Equivalent to 76 /8s, 224 /16s and 125 /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: 253848 Total RIPE prefixes after maximum aggregation: 119386 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250717 Unique aggregates announced from the RIPE address blocks: 154920 RIPE Region origin ASes present in the Internet Routing Table: 28134 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3965 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: 10866 Number of RIPE addresses announced to Internet: 716344576 Equivalent to 42 /8s, 178 /16s and 141 /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: 116720 Total LACNIC prefixes after maximum aggregation: 27997 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116135 Unique aggregates announced from the LACNIC address blocks: 48734 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2238 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: 8753 Number of LACNIC addresses announced to Internet: 175971328 Equivalent to 10 /8s, 125 /16s and 28 /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: 28832 Total AfriNIC prefixes after maximum aggregation: 5620 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36836 Unique aggregates announced from the AfriNIC address blocks: 12003 AfriNIC Region origin ASes present in the Internet Routing Table: 1706 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1036 Number of AfriNIC addresses announced to Internet: 108070656 Equivalent to 6 /8s, 113 /16s and 7 /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 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2528 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2275 849 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2154 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 7597 10615 2921 AMAZON-02, US 11492 4586 304 543 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3744 3060 336 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3565 1863 2548 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3055 50656 2322 DNIC-AS-00749, US 30036 2602 372 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2584 24058 1556 ATT-INTERNET4, US 396982 2562 3481 356 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 6935 1730 144 UNI2-AS, ES 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3983 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2622 252 1351 M247, RO 6849 2374 339 20 UKRTELNET, UA 34984 2241 357 614 TELLCOM-AS, TR 58224 1773 930 543 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 10824 3347 600 Uninet S.A. de C.V., MX 10620 3476 511 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2113 343 548 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1112 182 474 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 1571 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 68 37 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 43 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 10824 3347 600 Uninet S.A. de C.V., MX 9808 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7597 10615 2921 AMAZON-02, US 12479 6935 1730 144 UNI2-AS, ES 7545 5945 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4586 304 543 CABLEONE, US 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3983 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 9124 9077 CHINAMOBILE-CN China Mobile Communications Grou 12479 6935 6791 UNI2-AS, ES 7545 5945 5250 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7597 4676 AMAZON-02, US 11492 4586 4043 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3983 3945 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3930 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3611 3591 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 /12:295 /13:584 /14:1195 /15:2078 /16:13479 /17:8279 /18:13844 /19:24825 /20:43072 /21:50903 /22:108691 /23:96333 /24:535421 /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 5948 6935 UNI2-AS, ES 8151 4774 10824 Uninet S.A. de C.V., MX 11492 3494 4586 CABLEONE, US 8551 3447 3983 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2771 3744 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2258 2602 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2230 2374 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1026 3:166 4:5 5:4024 6:120 7:5 8:1543 9:1 11:173 12:1617 13:353 14:2370 15:288 16:71 17:364 18:382 20:239 21:4 22:188 23:6002 24:2456 25:6 27:2701 29:19 31:2483 32:90 34:8 35:94 36:1817 37:4521 38:3727 39:774 40:144 41:3940 42:1171 43:2226 44:297 45:16248 46:4147 47:369 49:1697 50:1920 51:244 52:1500 54:397 55:844 56:8 57:79 58:1721 59:1109 60:1005 61:2412 62:2567 63:1955 64:5619 65:2322 66:4826 67:3003 68:1378 69:4143 70:1296 71:678 72:2998 74:2638 75:1476 76:597 77:2241 78:1825 79:3151 80:2041 81:1664 82:1493 83:1208 84:1452 85:2953 86:727 87:1922 88:1161 89:3458 90:551 91:7582 92:2038 93:2547 94:3534 95:3879 96:1337 97:348 98:1173 99:740 100:69 101:1304 102:2439 103:30247 104:4532 105:478 106:888 107:2539 108:915 109:4322 110:2008 111:3271 112:2046 113:1497 114:1572 115:1996 116:1871 117:2480 118:2324 119:1835 120:1679 121:1045 122:2574 123:2111 124:1514 125:2120 128:1199 129:966 130:966 131:2030 132:830 133:378 134:1912 135:291 136:885 137:910 138:2528 139:1512 140:1101 141:1489 142:1409 143:1396 144:1193 145:351 146:1863 147:1527 148:2239 149:1827 150:854 151:1143 152:1955 153:455 154:3802 155:1427 156:1619 157:1298 158:1036 159:2209 160:2593 161:1388 162:3498 163:1435 164:1672 165:1640 166:826 167:1716 168:3807 169:905 170:4546 171:850 172:3482 173:3106 174:1032 175:1161 176:3611 177:4762 178:3527 179:2132 180:2381 181:3332 182:3203 183:1938 184:2350 185:19897 186:4542 187:3958 188:4017 189:3416 190:9048 191:1419 192:10982 193:8749 194:7177 195:5089 196:3038 197:2478 198:5938 199:6049 200:7538 201:5835 202:10154 203:10031 204:4590 205:3486 206:3784 207:3341 208:4079 209:4766 210:4130 211:2342 212:4002 213:3518 214:1087 215:53 216:6532 217:2617 218:1267 219:406 220:1793 221:924 222:666 223:1987 End of report