IPv4 R&E Routing Table Report 23:05 GMT Fri 28 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: 897756 Prefixes after maximum aggregation (per Origin AS): 341356 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440551 Number of IPv4 prefixes with a valid ROA: 358008 Number of IPv4 prefixes with an invalid ROA: 1681 Number of IPv4 prefixes with no ROA: 538067 Total ASes present in the Internet Routing Table: 73591 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63258 Origin ASes announcing only one prefix: 25984 Transit ASes present in the Internet Routing Table: 10333 Transit-only ASes present in the Internet Routing Table: 409 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: 1057 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 40508 Number of 32-bit ASNs visible in the Routing Table: 33544 Prefixes from 32-bit ASNs in the Routing Table: 161819 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3063261184 Equivalent to 182 /8s, 149 /16s and 168 /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: 301933 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232066 Total APNIC prefixes after maximum aggregation: 67199 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227096 Unique aggregates announced from the APNIC address blocks: 96642 APNIC Region origin ASes present in the Internet Routing Table: 12970 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3730 APNIC Region transit ASes present in the Internet Routing Table: 1753 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8273 Number of APNIC addresses announced to Internet: 773094400 Equivalent to 46 /8s, 20 /16s and 124 /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: 265540 Total ARIN prefixes after maximum aggregation: 120780 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266808 Unique aggregates announced from the ARIN address blocks: 128755 ARIN Region origin ASes present in the Internet Routing Table: 19004 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1859 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: 4646 Number of ARIN addresses announced to Internet: 1289851904 Equivalent to 76 /8s, 225 /16s and 148 /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: 253839 Total RIPE prefixes after maximum aggregation: 119157 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250615 Unique aggregates announced from the RIPE address blocks: 154431 RIPE Region origin ASes present in the Internet Routing Table: 28137 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11995 RIPE Region transit ASes present in the Internet Routing Table: 3983 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: 10860 Number of RIPE addresses announced to Internet: 716284928 Equivalent to 42 /8s, 177 /16s and 164 /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: 116509 Total LACNIC prefixes after maximum aggregation: 27869 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115981 Unique aggregates announced from the LACNIC address blocks: 48391 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2237 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: 8740 Number of LACNIC addresses announced to Internet: 175798272 Equivalent to 10 /8s, 122 /16s and 120 /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: 28745 Total AfriNIC prefixes after maximum aggregation: 5573 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 36733 Unique aggregates announced from the AfriNIC address blocks: 11906 AfriNIC Region origin ASes present in the Internet Routing Table: 1700 AfriNIC Prefixes per ASN: 21.61 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: 1025 Number of AfriNIC addresses announced to Internet: 107932416 Equivalent to 6 /8s, 110 /16s and 235 /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 9065 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5937 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3614 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2493 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2291 11250 594 KIXS-AS-KR Korea Telecom, KR 24560 2243 851 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2152 426 222 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 7447 10588 2892 AMAZON-02, US 11492 4629 306 500 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3756 3061 340 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3537 1845 2540 AKAMAI-AS, US 6327 3516 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2619 24154 1585 ATT-INTERNET4, US 30036 2606 372 243 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2558 3480 349 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 6919 1730 144 UNI2-AS, ES 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2290 912 ROSTELECOM-AS, RU 9009 2623 252 1347 M247, RO 6849 2439 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1698 912 635 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 10857 3298 605 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2094 341 544 Mega Cable, S.A. de C.V., MX 28573 1334 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1090 181 467 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 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 24863 1572 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1248 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 495 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 10857 3298 605 Uninet S.A. de C.V., MX 9808 9065 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7447 10588 2892 AMAZON-02, US 12479 6919 1730 144 UNI2-AS, ES 7545 5937 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 306 500 CABLEONE, US 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 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 9065 9018 CHINAMOBILE-CN China Mobile Communications Grou 12479 6919 6775 UNI2-AS, ES 7545 5937 5242 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7447 4555 AMAZON-02, US 11492 4629 4129 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4096 3922 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3614 3594 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 23.181.240.0/24 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: 2914 NTT-LTD-2914, US 24.48.136.0/22 Origin: 40396 UNASSIGNED 24.48.136.0/22 Transit: 23314 ORLANDOTELCO, 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 /12:294 /13:586 /14:1197 /15:2077 /16:13447 /17:8282 /18:13845 /19:24831 /20:43035 /21:50742 /22:108382 /23:96144 /24:534720 /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 5926 6919 UNI2-AS, ES 8151 4820 10857 Uninet S.A. de C.V., MX 11492 3535 4629 CABLEONE, US 8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3516 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3898 VIASAT-SP-BACKBONE, US 22773 2783 3756 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2302 2439 UKRTELNET, UA 30036 2261 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1889 2:1014 3:167 4:5 5:4002 6:116 7:5 8:1558 9:1 11:173 12:1621 13:353 14:2332 15:277 16:69 17:359 18:347 20:241 21:4 22:188 23:5962 24:2448 25:6 27:2711 29:19 31:2455 32:91 34:7 35:92 36:1822 37:4490 38:3724 39:754 40:159 41:3934 42:1167 43:2274 44:297 45:16279 46:4190 47:367 49:1706 50:1927 51:244 52:1499 54:398 55:846 56:8 57:79 58:1721 59:1111 60:996 61:2398 62:2577 63:1967 64:5604 65:2322 66:4825 67:2976 68:1377 69:4137 70:1296 71:677 72:2967 74:2641 75:1473 76:596 77:2244 78:1824 79:3145 80:2050 81:1676 82:1519 83:1216 84:1419 85:2951 86:729 87:1917 88:1167 89:3425 90:549 91:7592 92:2067 93:2544 94:3543 95:3875 96:1352 97:346 98:1169 99:739 100:69 101:1298 102:2363 103:30256 104:4496 105:476 106:889 107:2536 108:898 109:4318 110:1993 111:3274 112:2047 113:1484 114:1508 115:1993 116:1890 117:2476 118:2322 119:1837 120:1700 121:1021 122:2555 123:2107 124:1511 125:2118 128:1204 129:969 130:966 131:2008 132:830 133:379 134:1881 135:288 136:877 137:900 138:2499 139:1511 140:1115 141:1471 142:1389 143:1402 144:1201 145:353 146:1856 147:1530 148:2239 149:1833 150:873 151:1136 152:1946 153:469 154:3801 155:1425 156:1636 157:1301 158:1042 159:2205 160:2564 161:1381 162:3491 163:1425 164:1675 165:1674 166:798 167:1728 168:3773 169:901 170:4540 171:848 172:3463 173:3103 174:1038 175:1166 176:3582 177:4777 178:3525 179:2114 180:2370 181:3305 182:3198 183:1946 184:2354 185:19842 186:4547 187:3973 188:4036 189:3466 190:8963 191:1447 192:10964 193:8742 194:7158 195:5073 196:3066 197:2468 198:5938 199:6042 200:7534 201:5821 202:10131 203:10006 204:4592 205:3483 206:3825 207:3362 208:4074 209:4767 210:4116 211:2328 212:4019 213:3572 214:1082 215:53 216:6481 217:2622 218:1269 219:409 220:1785 221:922 222:655 223:1983 End of report