IPv4 R&E Routing Table Report 23:05 GMT Thu 19 Jan, 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: 903076 Prefixes after maximum aggregation (per Origin AS): 343984 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 444743 Number of IPv4 prefixes with a valid ROA: 368739 Number of IPv4 prefixes with an invalid ROA: 1547 Number of IPv4 prefixes with no ROA: 532790 Total ASes present in the Internet Routing Table: 73936 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63517 Origin ASes announcing only one prefix: 26133 Transit ASes present in the Internet Routing Table: 10419 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 969 Number of instances of unregistered ASNs: 978 Number of 32-bit ASNs allocated by the RIRs: 41068 Number of 32-bit ASNs visible in the Routing Table: 34021 Prefixes from 32-bit ASNs in the Routing Table: 166002 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 503 Number of addresses announced to Internet: 3062328320 Equivalent to 182 /8s, 135 /16s and 108 /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: 303610 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233623 Total APNIC prefixes after maximum aggregation: 67978 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228707 Unique aggregates announced from the APNIC address blocks: 97584 APNIC Region origin ASes present in the Internet Routing Table: 13164 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3812 APNIC Region transit ASes present in the Internet Routing Table: 1769 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: 8489 Number of APNIC addresses announced to Internet: 773119744 Equivalent to 46 /8s, 20 /16s and 223 /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: 266034 Total ARIN prefixes after maximum aggregation: 120929 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267972 Unique aggregates announced from the ARIN address blocks: 129646 ARIN Region origin ASes present in the Internet Routing Table: 19020 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6995 ARIN Region transit ASes present in the Internet Routing Table: 1896 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: 4718 Number of ARIN addresses announced to Internet: 1285626112 Equivalent to 76 /8s, 161 /16s and 25 /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: 255989 Total RIPE prefixes after maximum aggregation: 120331 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252337 Unique aggregates announced from the RIPE address blocks: 156086 RIPE Region origin ASes present in the Internet Routing Table: 28235 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3980 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10991 Number of RIPE addresses announced to Internet: 719063808 Equivalent to 42 /8s, 220 /16s and 11 /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: 117433 Total LACNIC prefixes after maximum aggregation: 28270 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116633 Unique aggregates announced from the LACNIC address blocks: 48990 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2273 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: 8772 Number of LACNIC addresses announced to Internet: 176128768 Equivalent to 10 /8s, 127 /16s and 131 /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: 29028 Total AfriNIC prefixes after maximum aggregation: 5724 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36924 Unique aggregates announced from the AfriNIC address blocks: 12028 AfriNIC Region origin ASes present in the Internet Routing Table: 1706 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1051 Number of AfriNIC addresses announced to Internet: 108101120 Equivalent to 6 /8s, 113 /16s and 126 /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 9436 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5941 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3634 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3110 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2711 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2163 440 214 TATACOMM-AS TATA Communications formerl 45090 2147 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 7805 10710 2924 AMAZON-02, US 11492 4530 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3690 3063 321 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3499 1320 63 SHAW, CA 16625 3449 1775 2506 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2613 24130 1586 ATT-INTERNET4, US 396982 2579 3494 371 GOOGLE-CLOUD-PLATFORM, US 30036 2570 368 356 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 6965 1705 145 UNI2-AS, ES 39891 4557 269 60 ALJAWWALSTC-AS, SA 20940 4036 3399 171 AKAMAI-ASN1, NL 8551 3905 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2688 255 1355 M247, RO 34984 2253 358 609 TELLCOM-AS, TR 6849 2193 339 20 UKRTELNET, UA 58224 1825 944 537 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 11035 3340 585 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2220 365 596 Mega Cable, S.A. de C.V., MX 28573 1350 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1135 186 464 Techtel LMDS Comunicaciones Interactiva 26615 1007 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 1532 533 30 RAYA-AS, EG 24863 1501 392 39 LINKdotNET-AS, EG 36992 1332 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1004 67 45 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 528 54 45 WANANCHI-, KE 24757 494 73 5 EthioNet-AS, ET 37342 494 32 1 MOVITEL, MZ 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 11035 3340 585 Uninet S.A. de C.V., MX 9808 9436 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7805 10710 2924 AMAZON-02, US 12479 6965 1705 145 UNI2-AS, ES 7545 5941 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4557 269 60 ALJAWWALSTC-AS, SA 11492 4530 300 601 CABLEONE, US 20940 4036 3399 171 AKAMAI-ASN1, NL 8551 3905 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3895 265 33 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 9436 9389 CHINAMOBILE-CN China Mobile Communications Grou 12479 6965 6820 UNI2-AS, ES 7545 5941 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7805 4881 AMAZON-02, US 39891 4557 4497 ALJAWWALSTC-AS, SA 11492 4530 3929 CABLEONE, US 8551 3905 3867 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4036 3865 AKAMAI-ASN1, NL 7155 3895 3862 VIASAT-SP-BACKBONE, US 7552 3634 3613 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: 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 /11:101 /12:295 /13:580 /14:1200 /15:2078 /16:13477 /17:8237 /18:13784 /19:24833 /20:42763 /21:50825 /22:108810 /23:96809 /24:539208 /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 6032 6965 UNI2-AS, ES 8151 5044 11035 Uninet S.A. de C.V., MX 39891 3548 4557 ALJAWWALSTC-AS, SA 11492 3445 4530 CABLEONE, US 8551 3370 3905 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3499 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2727 3690 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2227 2570 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2044 2193 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1625 2:1229 3:168 4:5 5:4114 6:110 7:5 8:1522 9:1 11:172 12:1586 13:375 14:2320 15:286 16:79 17:370 18:422 20:243 21:4 22:188 23:6042 24:2459 25:4 27:2651 29:19 31:2500 32:99 34:8 35:104 36:1896 37:4597 38:4032 39:833 40:155 41:3897 42:1038 43:2293 44:302 45:16334 46:4174 47:374 49:1728 50:1924 51:379 52:1542 54:393 55:860 56:8 57:77 58:1677 59:1113 60:1007 61:2419 62:2615 63:1940 64:5644 65:2321 66:4911 67:3044 68:1343 69:4100 70:1253 71:659 72:2975 74:2571 75:1464 76:587 77:2390 78:1830 79:3166 80:2082 81:1681 82:1479 83:1227 84:1500 85:2956 86:743 87:1933 88:1208 89:3513 90:591 91:7618 92:1988 93:2594 94:3516 95:3919 96:1314 97:346 98:1163 99:739 100:75 101:1292 102:2538 103:30799 104:4579 105:482 106:847 107:2530 108:912 109:4346 110:2073 111:3296 112:2041 113:1467 114:1605 115:2019 116:1873 117:2562 118:2287 119:1881 120:1734 121:1045 122:2578 123:2149 124:1558 125:2281 128:1254 129:1048 130:960 131:1988 132:828 133:406 134:1904 135:299 136:886 137:926 138:2565 139:1542 140:1035 141:1487 142:1414 143:1435 144:1194 145:349 146:1846 147:1545 148:2270 149:1869 150:861 151:1134 152:1946 153:478 154:3912 155:1401 156:1651 157:1299 158:1043 159:2262 160:2563 161:1423 162:3522 163:1461 164:1608 165:1665 166:826 167:1756 168:3830 169:915 170:4582 171:884 172:3506 173:2995 174:1023 175:1159 176:3688 177:4750 178:3546 179:2142 180:2410 181:3359 182:3241 183:1934 184:2339 185:19953 186:4653 187:3926 188:4058 189:3490 190:9017 191:1429 192:10925 193:8803 194:7203 195:5089 196:3096 197:2384 198:5927 199:6083 200:7656 201:5859 202:10218 203:10003 204:4594 205:3504 206:3782 207:3360 208:4075 209:4790 210:4156 211:2389 212:4047 213:3563 214:1093 215:55 216:6601 217:2627 218:1257 219:400 220:1780 221:968 222:665 223:2032 End of report