IPv4 R&E Routing Table Report 21:10 GMT Thu 16 Feb, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 918287 Prefixes after maximum aggregation (per Origin AS): 348181 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 446321 Number of IPv4 prefixes with a valid ROA: 381972 Number of IPv4 prefixes with an invalid ROA: 2884 Number of IPv4 prefixes with no ROA: 533431 Total ASes present in the Internet Routing Table: 74106 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63667 Origin ASes announcing only one prefix: 26094 Transit ASes present in the Internet Routing Table: 10439 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1105 Number of instances of unregistered ASNs: 1118 Number of 32-bit ASNs allocated by the RIRs: 41182 Number of 32-bit ASNs visible in the Routing Table: 34159 Prefixes from 32-bit ASNs in the Routing Table: 167428 Number of bogon 32-bit ASNs visible in the Routing Table: 60 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 604 Number of addresses announced to Internet: 3062315776 Equivalent to 182 /8s, 135 /16s and 59 /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: 311894 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238518 Total APNIC prefixes after maximum aggregation: 68621 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233430 Unique aggregates announced from the APNIC address blocks: 97924 APNIC Region origin ASes present in the Internet Routing Table: 13279 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 3842 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8567 Number of APNIC addresses announced to Internet: 773301248 Equivalent to 46 /8s, 23 /16s and 164 /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: 267452 Total ARIN prefixes after maximum aggregation: 121786 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269447 Unique aggregates announced from the ARIN address blocks: 130238 ARIN Region origin ASes present in the Internet Routing Table: 19066 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1941 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4733 Number of ARIN addresses announced to Internet: 1285632256 Equivalent to 76 /8s, 161 /16s and 49 /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: 264924 Total RIPE prefixes after maximum aggregation: 122811 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261472 Unique aggregates announced from the RIPE address blocks: 156670 RIPE Region origin ASes present in the Internet Routing Table: 28225 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3902 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11018 Number of RIPE addresses announced to Internet: 718505216 Equivalent to 42 /8s, 211 /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: 116963 Total LACNIC prefixes after maximum aggregation: 28404 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 116216 Unique aggregates announced from the LACNIC address blocks: 48931 LACNIC Region origin ASes present in the Internet Routing Table: 10958 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2261 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8775 Number of LACNIC addresses announced to Internet: 176425216 Equivalent to 10 /8s, 132 /16s and 9 /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: 29325 Total AfriNIC prefixes after maximum aggregation: 5764 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37117 Unique aggregates announced from the AfriNIC address blocks: 12098 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.57 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 336 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: 1066 Number of AfriNIC addresses announced to Internet: 108094208 Equivalent to 6 /8s, 113 /16s and 99 /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 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5821 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3545 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3430 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3216 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2777 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2355 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 586 KIXS-AS-KR Korea Telecom, KR 4538 2198 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2184 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7960 10729 2889 AMAZON-02, US 11492 4536 300 597 CABLEONE, US 7155 3962 279 45 VIASAT-SP-BACKBONE, US 22773 3658 3080 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3321 1678 2422 AKAMAI-AS, US 749 3036 50571 2303 DNIC-AS-00749, US 396982 2605 3583 352 GOOGLE-CLOUD-PLATFORM, US 7018 2603 24127 1580 ATT-INTERNET4, US 30036 2546 365 385 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7075 1706 146 UNI2-AS, ES 9121 6135 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4040 3399 170 AKAMAI-ASN1, NL 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2292 910 ROSTELECOM-AS, RU 9009 2651 253 1378 M247, RO 47331 2340 351 1762 TTNET, TR 34984 2265 359 609 TELLCOM-AS, TR 6849 2256 339 19 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10814 3346 595 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2252 374 601 Mega Cable, S.A. de C.V., MX 28573 1350 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1297 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1095 179 455 Techtel LMDS Comunicaciones Interactiva 26615 1019 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1542 533 30 RAYA-AS, EG 24863 1502 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1000 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 506 52 40 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 488 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10814 3346 595 Uninet S.A. de C.V., MX 9808 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7960 10729 2889 AMAZON-02, US 12479 7075 1706 146 UNI2-AS, ES 9121 6135 1692 17 TTNET, TR 7545 5821 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4536 300 597 CABLEONE, US 20940 4040 3399 170 AKAMAI-ASN1, NL 7155 3962 279 45 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9447 9399 CHINAMOBILE-CN China Mobile Communications Grou 12479 7075 6929 UNI2-AS, ES 9121 6135 6118 TTNET, TR 7545 5821 5128 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7960 5071 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4536 3939 CABLEONE, US 7155 3962 3917 VIASAT-SP-BACKBONE, US 20940 4040 3870 AKAMAI-ASN1, NL 8551 3892 3855 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, 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 1618 UNALLOCATED 8.21.143.0/24 136796 CL-JP-AS CORELINK JAPAN, JP Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar 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: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, 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/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:103 /12:299 /13:580 /14:1202 /15:2075 /16:13482 /17:8273 /18:13810 /19:25036 /20:43604 /21:51959 /22:110097 /23:98099 /24:549599 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6135 7075 UNI2-AS, ES 9121 5291 6135 TTNET, TR 8151 4939 10814 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3452 4536 CABLEONE, US 8551 3364 3892 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 3037 3962 VIASAT-SP-BACKBONE, US 22773 2707 3658 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2203 2546 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1654 2:1240 3:169 4:5 5:4328 6:114 7:5 8:1528 9:1 11:172 12:1587 13:387 14:2318 15:290 16:103 17:365 18:390 20:248 21:4 22:188 23:6080 24:2529 25:4 27:2590 29:19 31:2501 32:107 34:9 35:107 36:1904 37:4631 38:4154 39:840 40:153 41:4027 42:1066 43:2335 44:301 45:16370 46:4200 47:380 49:1734 50:1829 51:383 52:1578 54:397 55:843 56:8 57:91 58:1752 59:1179 60:989 61:2429 62:2642 63:1931 64:5681 65:2323 66:4934 67:3045 68:1349 69:4141 70:1264 71:667 72:2988 74:2600 75:1458 76:606 77:2410 78:3854 79:3178 80:2085 81:1840 82:1498 83:1243 84:1527 85:3718 86:757 87:1975 88:2802 89:3613 90:610 91:7671 92:2010 93:2595 94:3525 95:4862 96:1335 97:346 98:1161 99:744 100:76 101:1068 102:2603 103:31062 104:4588 105:476 106:845 107:2524 108:917 109:4403 110:2078 111:3281 112:2040 113:1485 114:1606 115:2078 116:1853 117:2548 118:2295 119:1943 120:1737 121:1086 122:2602 123:2174 124:1548 125:2383 128:1334 129:1067 130:1000 131:2001 132:842 133:412 134:1911 135:296 136:864 137:1074 138:2559 139:1553 140:1185 141:1475 142:1425 143:1475 144:1213 145:349 146:1901 147:1564 148:2281 149:1904 150:872 151:1144 152:1960 153:560 154:3909 155:1421 156:1685 157:1299 158:1006 159:2268 160:2544 161:1423 162:3555 163:1544 164:1585 165:1691 166:853 167:1738 168:3837 169:923 170:4566 171:869 172:3515 173:2968 174:1027 175:1171 176:3740 177:4591 178:3575 179:2154 180:2429 181:3399 182:3251 183:1930 184:2344 185:20052 186:4667 187:3952 188:4114 189:3501 190:9101 191:1448 192:10962 193:8833 194:7264 195:5139 196:3048 197:2412 198:5951 199:6115 200:7719 201:5726 202:10574 203:10222 204:4614 205:3523 206:3865 207:3443 208:4086 209:4846 210:4377 211:2424 212:4108 213:3568 214:1093 215:55 216:6608 217:2640 218:1296 219:463 220:2019 221:976 222:740 223:2122 End of report