IPv4 R&E Routing Table Report 23:05 GMT Sat 03 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: 892313 Prefixes after maximum aggregation (per Origin AS): 339672 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438901 Number of IPv4 prefixes with a valid ROA: 348191 Number of IPv4 prefixes with an invalid ROA: 1356 Number of IPv4 prefixes with no ROA: 542766 Total ASes present in the Internet Routing Table: 73433 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63070 Origin ASes announcing only one prefix: 26024 Transit ASes present in the Internet Routing Table: 10363 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 976 Number of instances of unregistered ASNs: 976 Number of 32-bit ASNs allocated by the RIRs: 40124 Number of 32-bit ASNs visible in the Routing Table: 33237 Prefixes from 32-bit ASNs in the Routing Table: 158976 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: 511 Number of addresses announced to Internet: 3067908608 Equivalent to 182 /8s, 220 /16s and 146 /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: 300075 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230684 Total APNIC prefixes after maximum aggregation: 66870 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225828 Unique aggregates announced from the APNIC address blocks: 96521 APNIC Region origin ASes present in the Internet Routing Table: 12829 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3718 APNIC Region transit ASes present in the Internet Routing Table: 1750 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8134 Number of APNIC addresses announced to Internet: 772713472 Equivalent to 46 /8s, 14 /16s and 172 /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: 263497 Total ARIN prefixes after maximum aggregation: 120590 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263898 Unique aggregates announced from the ARIN address blocks: 127860 ARIN Region origin ASes present in the Internet Routing Table: 18993 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6934 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4584 Number of ARIN addresses announced to Internet: 1293557760 Equivalent to 77 /8s, 26 /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: 252628 Total RIPE prefixes after maximum aggregation: 118251 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249755 Unique aggregates announced from the RIPE address blocks: 153217 RIPE Region origin ASes present in the Internet Routing Table: 28176 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12073 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: 10794 Number of RIPE addresses announced to Internet: 717194496 Equivalent to 42 /8s, 191 /16s and 133 /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: 116156 Total LACNIC prefixes after maximum aggregation: 27677 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115820 Unique aggregates announced from the LACNIC address blocks: 48946 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2221 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: 8715 Number of LACNIC addresses announced to Internet: 176332032 Equivalent to 10 /8s, 130 /16s and 157 /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: 28372 Total AfriNIC prefixes after maximum aggregation: 5549 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36501 Unique aggregates announced from the AfriNIC address blocks: 11919 AfriNIC Region origin ASes present in the Internet Routing Table: 1680 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 593 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: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1010 Number of AfriNIC addresses announced to Internet: 107829504 Equivalent to 6 /8s, 109 /16s and 89 /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 9081 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2235 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 6996 10428 2781 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3809 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3491 1803 2517 AKAMAI-AS, US 6327 3455 1319 63 SHAW, CA 749 3034 50727 2292 DNIC-AS-00749, US 30036 2611 370 244 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2531 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2359 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 6891 1730 144 UNI2-AS, ES 20940 4050 3359 194 AKAMAI-ASN1, NL 8551 3996 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3874 226 44 ALJAWWALSTC-AS, SA 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2602 251 1348 M247, GB 34984 2263 359 632 TELLCOM-AS, TR 58224 1763 929 507 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 10912 3394 558 Uninet S.A. de C.V., MX 10620 3485 514 803 Telmex Colombia S.A., CO 11830 2340 369 64 Instituto Costarricense de Electricidad 13999 1982 321 507 Mega Cable, S.A. de C.V., MX 28573 1360 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1273 699 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1051 180 462 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1601 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1325 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1000 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10912 3394 558 Uninet S.A. de C.V., MX 9808 9081 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6996 10428 2781 AMAZON-02, US 12479 6891 1730 144 UNI2-AS, ES 7545 5927 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4575 303 550 CABLEONE, US 20940 4050 3359 194 AKAMAI-ASN1, NL 8551 3996 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US 39891 3874 226 44 ALJAWWALSTC-AS, SA 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 9081 9034 CHINAMOBILE-CN China Mobile Communications Grou 12479 6891 6747 UNI2-AS, ES 7545 5927 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6996 4215 AMAZON-02, US 11492 4575 4025 CABLEONE, US 8551 3996 3958 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4050 3856 AKAMAI-ASN1, NL 39891 3874 3830 ALJAWWALSTC-AS, SA 7552 3583 3563 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 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 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, 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 /13:587 /14:1203 /15:2097 /16:13471 /17:8274 /18:13831 /19:24771 /20:43142 /21:50775 /22:107780 /23:95622 /24:530288 /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 5878 6891 UNI2-AS, ES 8151 4645 10912 Uninet S.A. de C.V., MX 11492 3492 4575 CABLEONE, US 8551 3455 3996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3265 3455 SHAW, CA 39891 3185 3874 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2829 3809 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2267 2611 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1935 2:1029 3:161 4:5 5:3869 6:115 7:6 8:1547 9:1 11:172 12:1639 13:342 14:2358 15:249 16:46 17:360 18:216 20:244 21:4 22:188 23:5905 24:2421 25:6 27:2654 29:19 31:2412 32:90 34:7 35:89 36:1876 37:4482 38:3472 39:720 40:154 41:3936 42:1130 43:2210 44:288 45:16067 46:4157 47:300 49:1710 50:1943 51:112 52:1475 54:386 55:840 56:8 57:63 58:1720 59:1107 60:983 61:2287 62:2543 63:1916 64:5573 65:2303 66:4850 67:2978 68:1206 69:4143 70:1301 71:683 72:3023 74:2635 75:1406 76:579 77:2261 78:1913 79:3130 80:2066 81:1663 82:1487 83:1212 84:1370 85:2939 86:737 87:1905 88:1172 89:3424 90:552 91:7642 92:2049 93:2540 94:3535 95:3880 96:1307 97:350 98:1029 99:720 100:77 101:1295 102:2296 103:29774 104:4542 105:470 106:889 107:2542 108:869 109:4321 110:1999 111:3286 112:2051 113:1476 114:1482 115:1985 116:1915 117:2478 118:2322 119:1814 120:1766 121:1010 122:2510 123:2078 124:1536 125:2074 128:1176 129:1017 130:1002 131:2039 132:808 133:377 134:1930 135:299 136:862 137:870 138:2520 139:1512 140:944 141:1455 142:1331 143:1400 144:1191 145:344 146:1841 147:1500 148:2211 149:1806 150:862 151:1079 152:1873 153:466 154:3690 155:1449 156:1736 157:1283 158:1036 159:2187 160:2528 161:1326 162:3493 163:1388 164:1618 165:1647 166:778 167:1768 168:3792 169:866 170:4539 171:843 172:3327 173:3112 174:1021 175:1152 176:3607 177:4735 178:3575 179:2147 180:2365 181:3263 182:3192 183:1938 184:2363 185:19652 186:4565 187:3840 188:3973 189:3435 190:8973 191:1461 192:10964 193:8655 194:7096 195:5037 196:3042 197:2456 198:5939 199:6013 200:7551 201:5799 202:10101 203:10007 204:4501 205:3426 206:3703 207:3391 208:4033 209:4689 210:4153 211:2292 212:4029 213:3466 214:1116 215:66 216:6370 217:2618 218:1268 219:405 220:1754 221:945 222:660 223:1971 End of report