IPv4 R&E Routing Table Report 21:10 GMT Thu 23 Mar, 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: 914670 Prefixes after maximum aggregation (per Origin AS): 347110 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 447444 Number of IPv4 prefixes with a valid ROA: 381265 Number of IPv4 prefixes with an invalid ROA: 2467 Number of IPv4 prefixes with no ROA: 530932 Total ASes present in the Internet Routing Table: 74243 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63781 Origin ASes announcing only one prefix: 26123 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 80 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: 1086 Number of instances of unregistered ASNs: 1106 Number of 32-bit ASNs allocated by the RIRs: 41505 Number of 32-bit ASNs visible in the Routing Table: 34358 Prefixes from 32-bit ASNs in the Routing Table: 168899 Number of bogon 32-bit ASNs visible in the Routing Table: 92 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3062249984 Equivalent to 182 /8s, 134 /16s and 58 /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: 306103 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239920 Total APNIC prefixes after maximum aggregation: 68589 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234506 Unique aggregates announced from the APNIC address blocks: 97974 APNIC Region origin ASes present in the Internet Routing Table: 13363 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3906 APNIC Region transit ASes present in the Internet Routing Table: 1800 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8664 Number of APNIC addresses announced to Internet: 773283328 Equivalent to 46 /8s, 23 /16s and 94 /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: 268382 Total ARIN prefixes after maximum aggregation: 121987 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270557 Unique aggregates announced from the ARIN address blocks: 130353 ARIN Region origin ASes present in the Internet Routing Table: 19058 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1936 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4753 Number of ARIN addresses announced to Internet: 1285444864 Equivalent to 76 /8s, 158 /16s and 85 /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: 258194 Total RIPE prefixes after maximum aggregation: 121599 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254551 Unique aggregates announced from the RIPE address blocks: 157389 RIPE Region origin ASes present in the Internet Routing Table: 28280 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12024 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11099 Number of RIPE addresses announced to Internet: 718383360 Equivalent to 42 /8s, 209 /16s and 169 /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: 117826 Total LACNIC prefixes after maximum aggregation: 28366 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117155 Unique aggregates announced from the LACNIC address blocks: 49031 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2633 LACNIC Region transit ASes present in the Internet Routing Table: 2280 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: 8765 Number of LACNIC addresses announced to Internet: 176613376 Equivalent to 10 /8s, 134 /16s and 232 /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: 29262 Total AfriNIC prefixes after maximum aggregation: 5790 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37399 Unique aggregates announced from the AfriNIC address blocks: 12295 AfriNIC Region origin ASes present in the Internet Routing Table: 1729 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1077 Number of AfriNIC addresses announced to Internet: 108141568 Equivalent to 6 /8s, 114 /16s and 28 /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 9522 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5755 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3454 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3370 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2860 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2751 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2361 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11250 588 KIXS-AS-KR Korea Telecom, KR 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 8103 10762 2904 AMAZON-02, US 11492 4534 300 620 CABLEONE, US 7155 3963 279 45 VIASAT-SP-BACKBONE, US 22773 3629 3079 293 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3513 1320 64 SHAW, CA 16625 3161 1590 2340 AKAMAI-AS, US 749 3036 50520 2303 DNIC-AS-00749, US 396982 2622 3588 355 GOOGLE-CLOUD-PLATFORM, US 7018 2565 24118 1570 ATT-INTERNET4, US 30036 2509 361 483 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 7164 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4049 3399 166 AKAMAI-ASN1, NL 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2936 2293 914 ROSTELECOM-AS, RU 9009 2664 253 1391 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2135 339 19 UKRTELNET, UA 58224 1849 949 547 TCI, IR 13188 1607 100 27 TRIOLAN, 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 11171 3332 580 Uninet S.A. de C.V., MX 10620 3498 506 850 Telmex Colombia S.A., CO 13999 2295 366 613 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1329 2324 245 Claro NXT Telecomunicacoes Ltda, BR 3816 1302 765 161 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 450 Techtel LMDS Comunicaciones Interactiva 26615 1030 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 24863 1574 393 19 LINKdotNET-AS, EG 24835 1542 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1018 67 53 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 487 73 5 EthioNet-AS, ET 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 11171 3332 580 Uninet S.A. de C.V., MX 9808 9522 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8103 10762 2904 AMAZON-02, US 12479 7164 1705 149 UNI2-AS, ES 7545 5755 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 620 CABLEONE, US 20940 4049 3399 166 AKAMAI-ASN1, NL 7155 3963 279 45 VIASAT-SP-BACKBONE, US 8551 3892 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9522 9474 CHINAMOBILE-CN China Mobile Communications Grou 12479 7164 7015 UNI2-AS, ES 16509 8103 5199 AMAZON-02, US 7545 5755 5064 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3963 3918 VIASAT-SP-BACKBONE, US 11492 4534 3914 CABLEONE, US 20940 4049 3883 AKAMAI-ASN1, NL 8551 3892 3855 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3544 3479 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 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 /13:578 /14:1196 /15:2075 /16:13483 /17:8249 /18:13818 /19:25051 /20:43758 /21:51449 /22:109386 /23:97641 /24:547515 /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 6222 7164 UNI2-AS, ES 8151 5159 11171 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3364 3892 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3322 3513 SHAW, CA 7155 3038 3963 VIASAT-SP-BACKBONE, US 22773 2683 3629 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2052 3498 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1669 2:1228 3:170 4:5 5:4452 6:118 7:6 8:1529 9:1 11:172 12:1578 13:392 14:2309 15:295 16:135 17:367 18:402 20:248 21:4 22:188 23:6115 24:2631 25:6 27:2568 29:19 31:2523 32:98 34:10 35:106 36:1913 37:4638 38:4387 39:807 40:151 41:3963 42:984 43:2314 44:310 45:16517 46:4224 47:375 49:1730 50:1832 51:570 52:1584 54:386 55:864 56:8 57:93 58:1758 59:1141 60:976 61:2435 62:2634 63:1898 64:5683 65:2311 66:4946 67:3045 68:1372 69:4177 70:1258 71:677 72:2971 74:2602 75:1463 76:606 77:2440 78:1858 79:3161 80:2080 81:1738 82:1497 83:1262 84:1533 85:3002 86:741 87:1965 88:1247 89:3615 90:613 91:7681 92:2035 93:2586 94:3580 95:3991 96:1329 97:335 98:1158 99:747 100:74 101:1069 102:2637 103:31254 104:4620 105:483 106:826 107:2550 108:982 109:4400 110:2078 111:3207 112:2061 113:1509 114:1619 115:2078 116:1901 117:2558 118:2293 119:1975 120:1755 121:1076 122:2601 123:2171 124:1565 125:2486 128:1330 129:1068 130:1009 131:2015 132:841 133:421 134:1900 135:300 136:864 137:1078 138:2574 139:1535 140:1225 141:1487 142:1441 143:1500 144:1169 145:356 146:1937 147:1566 148:2332 149:1961 150:881 151:1154 152:1842 153:567 154:4264 155:1411 156:1699 157:1281 158:1043 159:2276 160:2535 161:1522 162:3555 163:1554 164:1609 165:1700 166:887 167:1737 168:3884 169:934 170:4620 171:867 172:3518 173:2946 174:1019 175:1170 176:3684 177:4616 178:3625 179:2197 180:2448 181:3425 182:3322 183:1939 184:2348 185:20154 186:4711 187:3988 188:4054 189:3613 190:9144 191:1453 192:10964 193:8853 194:7269 195:5133 196:3097 197:2366 198:5954 199:6110 200:7881 201:5874 202:10606 203:10254 204:4621 205:3544 206:3938 207:3456 208:4076 209:4858 210:4363 211:2442 212:4117 213:3536 214:1081 215:60 216:6612 217:2664 218:1309 219:473 220:2014 221:977 222:802 223:2137 End of report