IPv4 R&E Routing Table Report 23:05 GMT Thu 15 Dec, 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: 901651 Prefixes after maximum aggregation (per Origin AS): 343420 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 443528 Number of IPv4 prefixes with a valid ROA: 365353 Number of IPv4 prefixes with an invalid ROA: 1494 Number of IPv4 prefixes with no ROA: 534804 Total ASes present in the Internet Routing Table: 73776 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63360 Origin ASes announcing only one prefix: 26079 Transit ASes present in the Internet Routing Table: 10416 Transit-only ASes present in the Internet Routing Table: 423 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 1035 Number of instances of unregistered ASNs: 1035 Number of 32-bit ASNs allocated by the RIRs: 40896 Number of 32-bit ASNs visible in the Routing Table: 33817 Prefixes from 32-bit ASNs in the Routing Table: 164648 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3061229824 Equivalent to 182 /8s, 118 /16s and 169 /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: 303095 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233351 Total APNIC prefixes after maximum aggregation: 67740 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228186 Unique aggregates announced from the APNIC address blocks: 97229 APNIC Region origin ASes present in the Internet Routing Table: 13085 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3817 APNIC Region transit ASes present in the Internet Routing Table: 1757 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: 8401 Number of APNIC addresses announced to Internet: 773126912 Equivalent to 46 /8s, 20 /16s and 251 /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: 266362 Total ARIN prefixes after maximum aggregation: 121273 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268024 Unique aggregates announced from the ARIN address blocks: 129357 ARIN Region origin ASes present in the Internet Routing Table: 19005 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1884 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: 4692 Number of ARIN addresses announced to Internet: 1287971072 Equivalent to 76 /8s, 196 /16s and 225 /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: 254998 Total RIPE prefixes after maximum aggregation: 119768 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251756 Unique aggregates announced from the RIPE address blocks: 155697 RIPE Region origin ASes present in the Internet Routing Table: 28165 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12013 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 10916 Number of RIPE addresses announced to Internet: 715831552 Equivalent to 42 /8s, 170 /16s and 185 /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: 117160 Total LACNIC prefixes after maximum aggregation: 28188 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116466 Unique aggregates announced from the LACNIC address blocks: 48805 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8761 Number of LACNIC addresses announced to Internet: 175887872 Equivalent to 10 /8s, 123 /16s and 214 /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: 5675 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36702 Unique aggregates announced from the AfriNIC address blocks: 12017 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.46 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1047 Number of AfriNIC addresses announced to Internet: 108118016 Equivalent to 6 /8s, 113 /16s and 192 /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 9155 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5934 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2679 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2320 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 KIXS-AS-KR Korea Telecom, KR 4755 2165 440 215 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 7734 10636 2914 AMAZON-02, US 11492 4548 301 567 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3701 3067 331 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3482 1815 2519 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 396982 2571 3484 366 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 384 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2560 24117 1542 ATT-INTERNET4, 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 6939 1706 146 UNI2-AS, ES 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4058 3399 175 AKAMAI-ASN1, NL 8551 3700 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 906 ROSTELECOM-AS, RU 9009 2648 252 1358 M247, RO 34984 2253 358 609 TELLCOM-AS, TR 6849 2221 339 20 UKRTELNET, UA 58224 1797 939 527 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 10892 3340 593 Uninet S.A. de C.V., MX 10620 3465 507 851 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2170 355 573 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1136 184 472 Techtel LMDS Comunicaciones Interactiva 26615 990 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 1550 537 31 RAYA-AS, EG 24863 1534 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 436 32 1 MOVITEL, MZ 2018 375 319 72 TENET-1, ZA 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 10892 3340 593 Uninet S.A. de C.V., MX 9808 9155 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7734 10636 2914 AMAZON-02, US 12479 6939 1706 146 UNI2-AS, ES 7545 5934 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 567 CABLEONE, US 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4058 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3701 3067 331 ASN-CXA-ALL-CCI-22773-RDC, 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 9155 9108 CHINAMOBILE-CN China Mobile Communications Grou 12479 6939 6793 UNI2-AS, ES 7545 5934 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7734 4820 AMAZON-02, US 39891 4487 4431 ALJAWWALSTC-AS, SA 11492 4548 3981 CABLEONE, US 20940 4058 3883 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3700 3662 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 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: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, 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 /12:295 /13:584 /14:1196 /15:2077 /16:13459 /17:8256 /18:13773 /19:24847 /20:42970 /21:50912 /22:108770 /23:96487 /24:537850 /25:0 /26:1 /27:1 /28:0 /29:1 /30:5 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5982 6939 UNI2-AS, ES 8151 4881 10892 Uninet S.A. de C.V., MX 39891 3542 4487 ALJAWWALSTC-AS, SA 11492 3455 4548 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3165 3700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3701 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2071 2221 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1641 2:1210 3:168 4:5 5:4070 6:110 7:5 8:1539 9:1 11:172 12:1612 13:368 14:2362 15:287 16:76 17:372 18:403 20:243 21:4 22:188 23:6010 24:2446 25:4 27:2703 29:19 31:2491 32:106 34:8 35:96 36:1839 37:4614 38:3920 39:817 40:144 41:3932 42:1072 43:2284 44:304 45:16387 46:4179 47:371 49:1705 50:1932 51:374 52:1526 54:394 55:824 56:8 57:82 58:1703 59:1101 60:1007 61:2422 62:2599 63:1951 64:5636 65:2324 66:4907 67:3025 68:1361 69:4132 70:1256 71:654 72:2992 74:2603 75:1463 76:595 77:2327 78:1822 79:2940 80:2057 81:1682 82:1490 83:1231 84:1495 85:2964 86:740 87:1923 88:1177 89:3497 90:578 91:7611 92:1979 93:2557 94:3522 95:3882 96:1314 97:344 98:1173 99:741 100:69 101:1290 102:2521 103:30552 104:4579 105:485 106:828 107:2542 108:912 109:4362 110:2045 111:3269 112:2028 113:1495 114:1599 115:2011 116:1873 117:2472 118:2288 119:1878 120:1696 121:1039 122:2563 123:2131 124:1535 125:2255 128:1231 129:967 130:961 131:2001 132:833 133:400 134:1897 135:295 136:885 137:919 138:2576 139:1500 140:1020 141:1487 142:1411 143:1446 144:1189 145:352 146:1883 147:1505 148:2265 149:1870 150:861 151:1147 152:1944 153:459 154:3777 155:1417 156:1623 157:1291 158:1040 159:2238 160:2575 161:1432 162:3525 163:1466 164:1674 165:1642 166:822 167:1748 168:3845 169:922 170:4580 171:872 172:3527 173:3054 174:1025 175:1159 176:3628 177:4751 178:3546 179:2137 180:2398 181:3348 182:3229 183:1934 184:2361 185:19974 186:4640 187:3934 188:4067 189:3436 190:9013 191:1457 192:10985 193:8804 194:7183 195:5092 196:3071 197:2337 198:5942 199:6080 200:7666 201:5851 202:10202 203:10011 204:4602 205:3511 206:3750 207:3346 208:4094 209:4799 210:4158 211:2394 212:4047 213:3549 214:1108 215:55 216:6595 217:2635 218:1248 219:411 220:1784 221:952 222:665 223:1991 End of report