IPv4 R&E Routing Table Report 23:05 GMT Sun 11 Sep, 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: 893078 Prefixes after maximum aggregation (per Origin AS): 339568 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439082 Number of IPv4 prefixes with a valid ROA: 349449 Number of IPv4 prefixes with an invalid ROA: 1523 Number of IPv4 prefixes with no ROA: 542106 Total ASes present in the Internet Routing Table: 73432 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63070 Origin ASes announcing only one prefix: 25992 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 403 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: 970 Number of instances of unregistered ASNs: 970 Number of 32-bit ASNs allocated by the RIRs: 40161 Number of 32-bit ASNs visible in the Routing Table: 33274 Prefixes from 32-bit ASNs in the Routing Table: 159476 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 508 Number of addresses announced to Internet: 3068052992 Equivalent to 182 /8s, 222 /16s and 198 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 300128 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231137 Total APNIC prefixes after maximum aggregation: 66828 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226109 Unique aggregates announced from the APNIC address blocks: 96308 APNIC Region origin ASes present in the Internet Routing Table: 12857 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3719 APNIC Region transit ASes present in the Internet Routing Table: 1750 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: 8155 Number of APNIC addresses announced to Internet: 772989440 Equivalent to 46 /8s, 18 /16s and 226 /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: 263717 Total ARIN prefixes after maximum aggregation: 120606 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264336 Unique aggregates announced from the ARIN address blocks: 128074 ARIN Region origin ASes present in the Internet Routing Table: 19005 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 6947 ARIN Region transit ASes present in the Internet Routing Table: 1860 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4595 Number of ARIN addresses announced to Internet: 1293405952 Equivalent to 77 /8s, 23 /16s and 207 /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: 252419 Total RIPE prefixes after maximum aggregation: 118136 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249632 Unique aggregates announced from the RIPE address blocks: 153424 RIPE Region origin ASes present in the Internet Routing Table: 28136 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 4016 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: 10798 Number of RIPE addresses announced to Internet: 717270016 Equivalent to 42 /8s, 192 /16s and 172 /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: 116456 Total LACNIC prefixes after maximum aggregation: 27678 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116041 Unique aggregates announced from the LACNIC address blocks: 48935 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2226 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: 8717 Number of LACNIC addresses announced to Internet: 176371968 Equivalent to 10 /8s, 131 /16s and 57 /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: 28379 Total AfriNIC prefixes after maximum aggregation: 5581 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36452 Unique aggregates announced from the AfriNIC address blocks: 11908 AfriNIC Region origin ASes present in the Internet Routing Table: 1679 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1009 Number of AfriNIC addresses announced to Internet: 107734016 Equivalent to 6 /8s, 107 /16s and 228 /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 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5932 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2440 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2231 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2195 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 214 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 7133 10495 2797 AMAZON-02, US 11492 4577 303 535 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3807 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3507 1812 2523 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2608 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2360 4936 405 CENTURYLINK-US-LEGACY-QWEST, 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 6931 1730 144 UNI2-AS, ES 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2594 251 1337 M247, GB 34984 2267 359 635 TELLCOM-AS, TR 58224 1764 929 506 TCI, IR 13188 1607 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 10929 3393 555 Uninet S.A. de C.V., MX 10620 3499 515 787 Telmex Colombia S.A., CO 11830 2334 369 64 Instituto Costarricense de Electricidad 13999 1986 323 508 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1275 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 984 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 1583 393 21 LINKdotNET-AS, EG 24835 1502 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 980 67 43 ORANGE-COTE-IVOIRE, CI 36935 808 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 477 32 1 MOVITEL, MZ 23889 401 232 16 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 10929 3393 555 Uninet S.A. de C.V., MX 9808 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7133 10495 2797 AMAZON-02, US 12479 6931 1730 144 UNI2-AS, ES 7545 5932 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4577 303 535 CABLEONE, US 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 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 9084 9037 CHINAMOBILE-CN China Mobile Communications Grou 12479 6931 6787 UNI2-AS, ES 7545 5932 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7133 4336 AMAZON-02, US 11492 4577 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3986 3948 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4042 3850 AKAMAI-ASN1, NL 7552 3586 3566 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 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 18604 UNALLOCATED 8.25.204.0/24 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:101 /12:298 /13:589 /14:1205 /15:2097 /16:13467 /17:8270 /18:13778 /19:24680 /20:43163 /21:50860 /22:107829 /23:95728 /24:530940 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5918 6931 UNI2-AS, ES 8151 4662 10929 Uninet S.A. de C.V., MX 11492 3494 4577 CABLEONE, US 8551 3450 3986 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2823 3807 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1936 2:1030 3:162 4:5 5:3884 6:116 7:6 8:1543 9:1 11:172 12:1635 13:341 14:2357 15:258 16:52 17:361 18:278 20:244 21:4 22:188 23:5923 24:2424 25:6 27:2662 29:19 31:2412 32:91 34:7 35:89 36:1880 37:4498 38:3503 39:739 40:155 41:3906 42:1132 43:2203 44:291 45:16098 46:4161 47:300 49:1712 50:1930 51:240 52:1489 54:385 55:767 56:8 57:63 58:1722 59:1111 60:983 61:2300 62:2541 63:1912 64:5575 65:2298 66:4861 67:2973 68:1206 69:4128 70:1301 71:683 72:3025 74:2633 75:1420 76:579 77:2258 78:1866 79:3131 80:2064 81:1655 82:1488 83:1203 84:1371 85:2927 86:725 87:1908 88:1154 89:3412 90:567 91:7630 92:2046 93:2536 94:3533 95:3848 96:1309 97:351 98:1032 99:720 100:75 101:1297 102:2299 103:29810 104:4534 105:465 106:889 107:2546 108:881 109:4319 110:1994 111:3289 112:2043 113:1481 114:1489 115:1985 116:1883 117:2480 118:2322 119:1825 120:1708 121:1009 122:2517 123:2091 124:1545 125:2082 128:1178 129:1012 130:999 131:2043 132:808 133:377 134:1936 135:297 136:864 137:870 138:2516 139:1509 140:988 141:1455 142:1334 143:1415 144:1195 145:342 146:1840 147:1508 148:2211 149:1810 150:863 151:1084 152:1928 153:467 154:3754 155:1423 156:1691 157:1282 158:1036 159:2191 160:2527 161:1331 162:3488 163:1390 164:1651 165:1657 166:782 167:1764 168:3795 169:869 170:4532 171:844 172:3349 173:3111 174:1018 175:1158 176:3598 177:4734 178:3571 179:2147 180:2365 181:3262 182:3194 183:1933 184:2366 185:19671 186:4609 187:3900 188:4005 189:3454 190:8993 191:1461 192:10974 193:8657 194:7100 195:5030 196:3033 197:2454 198:5939 199:6014 200:7594 201:5793 202:10143 203:9994 204:4496 205:3459 206:3703 207:3389 208:4033 209:4696 210:4167 211:2290 212:4032 213:3484 214:1114 215:67 216:6367 217:2624 218:1269 219:400 220:1752 221:977 222:659 223:1973 End of report