IPv4 R&E Routing Table Report 23:05 GMT Thu 08 Dec, 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: 900532 Prefixes after maximum aggregation (per Origin AS): 343139 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 442865 Number of IPv4 prefixes with a valid ROA: 364938 Number of IPv4 prefixes with an invalid ROA: 1505 Number of IPv4 prefixes with no ROA: 534089 Total ASes present in the Internet Routing Table: 73740 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63354 Origin ASes announcing only one prefix: 26056 Transit ASes present in the Internet Routing Table: 10386 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1047 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 40825 Number of 32-bit ASNs visible in the Routing Table: 33764 Prefixes from 32-bit ASNs in the Routing Table: 164417 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3062088448 Equivalent to 182 /8s, 131 /16s and 195 /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: 302582 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233260 Total APNIC prefixes after maximum aggregation: 67717 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228154 Unique aggregates announced from the APNIC address blocks: 97208 APNIC Region origin ASes present in the Internet Routing Table: 13069 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3809 APNIC Region transit ASes present in the Internet Routing Table: 1756 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: 8384 Number of APNIC addresses announced to Internet: 773157888 Equivalent to 46 /8s, 21 /16s and 116 /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: 266165 Total ARIN prefixes after maximum aggregation: 121131 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267809 Unique aggregates announced from the ARIN address blocks: 129221 ARIN Region origin ASes present in the Internet Routing Table: 18994 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4678 Number of ARIN addresses announced to Internet: 1288380416 Equivalent to 76 /8s, 203 /16s and 32 /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: 254479 Total RIPE prefixes after maximum aggregation: 119672 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251213 Unique aggregates announced from the RIPE address blocks: 155310 RIPE Region origin ASes present in the Internet Routing Table: 28159 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12013 RIPE Region transit ASes present in the Internet Routing Table: 3987 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: 10899 Number of RIPE addresses announced to Internet: 716158720 Equivalent to 42 /8s, 175 /16s and 183 /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: 116897 Total LACNIC prefixes after maximum aggregation: 28181 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116183 Unique aggregates announced from the LACNIC address blocks: 48711 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2258 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: 8760 Number of LACNIC addresses announced to Internet: 175993600 Equivalent to 10 /8s, 125 /16s and 115 /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: 28684 Total AfriNIC prefixes after maximum aggregation: 5649 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36649 Unique aggregates announced from the AfriNIC address blocks: 11988 AfriNIC Region origin ASes present in the Internet Routing Table: 1705 AfriNIC Prefixes per ASN: 21.50 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1043 Number of AfriNIC addresses announced to Internet: 108104192 Equivalent to 6 /8s, 113 /16s and 138 /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 9134 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2577 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2311 849 422 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 215 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 7704 10628 2896 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3687 3059 311 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3528 1320 63 SHAW, CA 16625 3497 1824 2525 AKAMAI-AS, US 749 3030 50577 2297 DNIC-AS-00749, US 7018 2588 24125 1557 ATT-INTERNET4, US 30036 2579 369 336 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2565 3482 360 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 6962 1730 151 UNI2-AS, ES 20940 4069 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3914 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2647 252 1360 M247, RO 34984 2248 357 610 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1800 938 528 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 10536 3335 603 Uninet S.A. de C.V., MX 10620 3459 506 850 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2152 353 566 Mega Cable, S.A. de C.V., MX 28573 1333 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1134 184 475 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 24835 1548 537 31 RAYA-AS, EG 24863 1539 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 40 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 530 54 45 WANANCHI-, KE 37342 441 32 1 MOVITEL, MZ 24757 367 73 5 EthioNet-AS, ET 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 10536 3335 603 Uninet S.A. de C.V., MX 9808 9134 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7704 10628 2896 AMAZON-02, US 12479 6962 1730 151 UNI2-AS, ES 7545 5944 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4069 3399 175 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3914 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3893 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 9134 9087 CHINAMOBILE-CN China Mobile Communications Grou 12479 6962 6811 UNI2-AS, ES 7545 5944 5251 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7704 4808 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4069 3894 AKAMAI-ASN1, NL 8551 3914 3876 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3893 3861 VIASAT-SP-BACKBONE, US 7552 3625 3604 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.131.189.0/24 Origin: 150303 SOLORDP-AS-AP SoloRDP, IN 23.131.189.0/24 Transit: 140947 SNTHOSTINGS-AS-AP SnTHostings, IN 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 /14:1196 /15:2081 /16:13469 /17:8255 /18:13777 /19:24836 /20:42995 /21:50814 /22:108729 /23:96336 /24:536990 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5997 6962 UNI2-AS, ES 8151 4645 10536 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3380 3914 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3336 3528 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2723 3687 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2237 2579 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1717 2:1018 3:168 4:5 5:4073 6:110 7:5 8:1541 9:1 11:173 12:1613 13:376 14:2346 15:286 16:75 17:370 18:394 20:242 21:4 22:188 23:5996 24:2425 25:4 27:2703 29:19 31:2483 32:103 34:8 35:95 36:1837 37:4603 38:3906 39:817 40:144 41:3932 42:1108 43:2281 44:305 45:16362 46:4142 47:370 49:1700 50:1933 51:246 52:1523 54:394 55:838 56:8 57:79 58:1715 59:1103 60:1006 61:2421 62:2591 63:1952 64:5607 65:2324 66:4826 67:3022 68:1371 69:4128 70:1280 71:654 72:2985 74:2601 75:1466 76:595 77:2251 78:1821 79:3149 80:2053 81:1672 82:1488 83:1225 84:1483 85:2959 86:747 87:1927 88:1164 89:3484 90:581 91:7612 92:1984 93:2561 94:3523 95:3879 96:1317 97:344 98:1173 99:740 100:69 101:1290 102:2484 103:30468 104:4561 105:482 106:824 107:2552 108:907 109:4326 110:2025 111:3259 112:2026 113:1509 114:1588 115:2009 116:1876 117:2466 118:2319 119:1885 120:1692 121:1043 122:2571 123:2126 124:1535 125:2152 128:1209 129:965 130:967 131:1996 132:825 133:400 134:1900 135:294 136:880 137:922 138:2586 139:1499 140:1035 141:1480 142:1404 143:1422 144:1199 145:346 146:1874 147:1507 148:2263 149:1871 150:866 151:1147 152:1958 153:455 154:3804 155:1409 156:1631 157:1287 158:1037 159:2242 160:2572 161:1428 162:3530 163:1453 164:1667 165:1638 166:837 167:1750 168:3812 169:917 170:4561 171:868 172:3518 173:3082 174:1035 175:1156 176:3611 177:4789 178:3542 179:2135 180:2391 181:3354 182:3228 183:1936 184:2364 185:19978 186:4637 187:3931 188:4054 189:3422 190:9021 191:1480 192:10968 193:8787 194:7213 195:5087 196:3052 197:2351 198:5935 199:6089 200:7638 201:5686 202:10225 203:10032 204:4592 205:3496 206:3741 207:3342 208:4108 209:4794 210:4160 211:2394 212:4031 213:3532 214:1111 215:55 216:6599 217:2638 218:1249 219:410 220:1782 221:952 222:669 223:1998 End of report