IPv4 R&E Routing Table Report 23:05 GMT Wed 05 Apr, 2023 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: 910115 Prefixes after maximum aggregation (per Origin AS): 346149 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447640 Number of IPv4 prefixes with a valid ROA: 382618 Number of IPv4 prefixes with an invalid ROA: 1621 Number of IPv4 prefixes with no ROA: 525876 Total ASes present in the Internet Routing Table: 74102 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 63643 Origin ASes announcing only one prefix: 26174 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 49 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: 1104 Number of instances of unregistered ASNs: 1104 Number of 32-bit ASNs allocated by the RIRs: 41605 Number of 32-bit ASNs visible in the Routing Table: 34353 Prefixes from 32-bit ASNs in the Routing Table: 168850 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3060723456 Equivalent to 182 /8s, 110 /16s and 239 /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: 305778 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236190 Total APNIC prefixes after maximum aggregation: 68353 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 230875 Unique aggregates announced from the APNIC address blocks: 97947 APNIC Region origin ASes present in the Internet Routing Table: 13301 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3910 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8652 Number of APNIC addresses announced to Internet: 773146880 Equivalent to 46 /8s, 21 /16s and 73 /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: 267416 Total ARIN prefixes after maximum aggregation: 121419 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269722 Unique aggregates announced from the ARIN address blocks: 130431 ARIN Region origin ASes present in the Internet Routing Table: 19023 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1890 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4757 Number of ARIN addresses announced to Internet: 1285046528 Equivalent to 76 /8s, 152 /16s and 65 /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: 258712 Total RIPE prefixes after maximum aggregation: 121666 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 254670 Unique aggregates announced from the RIPE address blocks: 157473 RIPE Region origin ASes present in the Internet Routing Table: 28262 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11096 Number of RIPE addresses announced to Internet: 717852672 Equivalent to 42 /8s, 201 /16s and 144 /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: 117207 Total LACNIC prefixes after maximum aggregation: 28157 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116522 Unique aggregates announced from the LACNIC address blocks: 49102 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2270 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8772 Number of LACNIC addresses announced to Internet: 176573696 Equivalent to 10 /8s, 134 /16s and 77 /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: 29486 Total AfriNIC prefixes after maximum aggregation: 5785 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37817 Unique aggregates announced from the AfriNIC address blocks: 12282 AfriNIC Region origin ASes present in the Internet Routing Table: 1729 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1076 Number of AfriNIC addresses announced to Internet: 107740672 Equivalent to 6 /8s, 107 /16s and 254 /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 9496 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5746 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3690 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3558 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2903 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 835 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2171 439 213 TATACOMM-AS TATA Communications formerl 45090 2148 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 8237 10777 2889 AMAZON-02, US 11492 4538 301 622 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3604 3061 280 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3513 1320 64 SHAW, CA 16625 3146 1579 2332 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2627 3590 361 GOOGLE-CLOUD-PLATFORM, US 7018 2581 24118 1577 ATT-INTERNET4, US 30036 2488 359 526 MEDIACOM-ENTERPRISE-BUSINESS, 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 7243 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4050 3399 163 AKAMAI-ASN1, NL 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2649 249 1375 M247, RO 34984 2268 357 609 TELLCOM-AS, TR 6849 2076 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11217 3343 583 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2312 371 610 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1332 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1030 2498 45 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 1579 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1356 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 531 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11217 3343 583 Uninet S.A. de C.V., MX 9808 9496 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8237 10777 2889 AMAZON-02, US 12479 7243 1705 149 UNI2-AS, ES 7545 5746 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4538 301 622 CABLEONE, US 20940 4050 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9496 9448 CHINAMOBILE-CN China Mobile Communications Grou 12479 7243 7094 UNI2-AS, ES 16509 8237 5348 AMAZON-02, US 7545 5746 5057 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3967 3919 VIASAT-SP-BACKBONE, US 11492 4538 3916 CABLEONE, US 20940 4050 3887 AKAMAI-ASN1, NL 8551 3886 3849 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3690 3669 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 396894 UNALLOCATED 8.28.201.0/24 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 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: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:575 /14:1196 /15:2070 /16:13424 /17:8181 /18:13720 /19:24823 /20:43037 /21:51060 /22:108828 /23:97056 /24:545667 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6304 7243 UNI2-AS, ES 8151 5172 11217 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3446 4538 CABLEONE, US 8551 3358 3886 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3322 3513 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2675 3604 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1671 2:1231 3:170 4:5 5:4486 6:121 7:6 8:1511 9:1 11:172 12:1562 13:395 14:2300 15:299 16:185 17:368 18:415 20:248 21:4 22:188 23:6122 24:2566 25:6 27:2493 29:19 31:2524 32:93 34:10 35:104 36:1937 37:4633 38:4440 39:805 40:151 41:3977 42:974 43:2314 44:307 45:16488 46:4215 47:331 49:1734 50:1821 51:571 52:1591 54:389 55:856 56:8 57:91 58:1683 59:1075 60:978 61:2468 62:2637 63:1925 64:5669 65:2316 66:4917 67:3011 68:1373 69:4140 70:1249 71:671 72:2971 74:2599 75:1460 76:607 77:2424 78:1845 79:3160 80:2099 81:1739 82:1484 83:1271 84:1522 85:2992 86:749 87:1987 88:1227 89:3619 90:614 91:7667 92:2054 93:2602 94:3597 95:3985 96:1328 97:336 98:1157 99:745 100:73 101:1301 102:2686 103:31185 104:4621 105:484 106:898 107:2511 108:1014 109:4402 110:2076 111:3187 112:2052 113:1493 114:1629 115:2018 116:1906 117:2561 118:2281 119:2010 120:1769 121:1028 122:2613 123:2139 124:1575 125:2478 128:1252 129:1052 130:992 131:1975 132:836 133:421 134:1898 135:303 136:869 137:933 138:2543 139:1522 140:1232 141:1453 142:1419 143:1482 144:1156 145:347 146:1920 147:1564 148:2302 149:1998 150:868 151:1153 152:1953 153:489 154:4359 155:1417 156:1786 157:1300 158:1044 159:2280 160:2530 161:1530 162:3521 163:1490 164:1582 165:1724 166:965 167:1734 168:3846 169:934 170:4600 171:873 172:3536 173:2925 174:1031 175:1156 176:3659 177:4539 178:3622 179:2136 180:2445 181:3418 182:3334 183:1932 184:2345 185:20176 186:4683 187:3929 188:4086 189:3525 190:9148 191:1449 192:10901 193:8840 194:7307 195:5137 196:3166 197:2387 198:5889 199:6075 200:7753 201:5881 202:10321 203:10198 204:4618 205:3520 206:4050 207:3391 208:4077 209:4856 210:4173 211:2403 212:4099 213:3549 214:1075 215:60 216:6616 217:2681 218:1268 219:407 220:1763 221:972 222:714 223:2149 End of report