IPv4 R&E Routing Table Report 21:10 GMT Thu 04 Jun, 2026 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: 1049244 Prefixes after maximum aggregation (per Origin AS): 405163 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 520593 Number of IPv4 prefixes with a valid ROA: 687721 Number of IPv4 prefixes with an invalid ROA: 114 Number of IPv4 prefixes with no ROA: 361409 Total ASes present in the Internet Routing Table: 78600 Prefixes per ASN: 13.35 Origin-only ASes present in the Internet Routing Table: 67268 Origin ASes announcing only one prefix: 27501 Transit ASes present in the Internet Routing Table: 11332 Transit-only ASes present in the Internet Routing Table: 588 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 68 Max AS path prepend of ASN ( 63293) 64 Prefixes from unregistered ASNs in the Routing Table: 1071 Number of instances of unregistered ASNs: 1101 Number of 32-bit ASNs allocated by the RIRs: 49997 Number of 32-bit ASNs visible in the Routing Table: 40798 Prefixes from 32-bit ASNs in the Routing Table: 232045 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 457 Number of addresses announced to Internet: 3104116992 Equivalent to 185 /8s, 5 /16s and 17 /24s Percentage of available address space announced: 83.8 Percentage of allocated address space announced: 83.8 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: 342042 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 285898 Total APNIC prefixes after maximum aggregation: 84060 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 272585 Unique aggregates announced from the APNIC address blocks: 109310 APNIC Region origin ASes present in the Internet Routing Table: 15205 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 4663 APNIC Region transit ASes present in the Internet Routing Table: 2058 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10800 Number of APNIC addresses announced to Internet: 748076032 Equivalent to 44 /8s, 150 /16s and 188 /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, 131072-155961 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: 304819 Total ARIN prefixes after maximum aggregation: 137701 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303537 Unique aggregates announced from the ARIN address blocks: 148487 ARIN Region origin ASes present in the Internet Routing Table: 19457 ARIN Prefixes per ASN: 15.60 ARIN Region origin ASes announcing only one prefix: 7118 ARIN Region transit ASes present in the Internet Routing Table: 1973 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 68 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5618 Number of ARIN addresses announced to Internet: 1348139776 Equivalent to 80 /8s, 90 /16s and 251 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 290827 Total RIPE prefixes after maximum aggregation: 144831 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 294370 Unique aggregates announced from the RIPE address blocks: 192709 RIPE Region origin ASes present in the Internet Routing Table: 29554 RIPE Prefixes per ASN: 9.96 RIPE Region origin ASes announcing only one prefix: 12245 RIPE Region transit ASes present in the Internet Routing Table: 4095 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13512 Number of RIPE addresses announced to Internet: 733531648 Equivalent to 43 /8s, 184 /16s and 206 /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 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 129028 Total LACNIC prefixes after maximum aggregation: 30881 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123385 Unique aggregates announced from the LACNIC address blocks: 50313 LACNIC Region origin ASes present in the Internet Routing Table: 11425 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2741 LACNIC Region transit ASes present in the Internet Routing Table: 2613 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9468 Number of LACNIC addresses announced to Internet: 169796864 Equivalent to 10 /8s, 30 /16s and 229 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37601 Total AfriNIC prefixes after maximum aggregation: 7053 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 54909 Unique aggregates announced from the AfriNIC address blocks: 19389 AfriNIC Region origin ASes present in the Internet Routing Table: 2037 AfriNIC Prefixes per ASN: 26.96 AfriNIC Region origin ASes announcing only one prefix: 734 AfriNIC Region transit ASes present in the Internet Routing Table: 393 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1400 Number of AfriNIC addresses announced to Internet: 104318208 Equivalent to 6 /8s, 55 /16s and 197 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 13941 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5871 824 472 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4947 552 326 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4545 347 24 FPT-VN - FPT Telecom Company, VN 7552 4065 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3698 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3541 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3431 216 616 LCS-AS-AP - LARUS Limited, HK 45899 3369 1868 98 VNPT-AS-VN - VNPT Corp, VN 24560 2740 745 735 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15095 41426 5647 AMAZON-02 - Amazon.com, Inc., US 22773 4768 3115 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1090 CABLEONE - CABLE ONE, INC., US 7155 3871 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3369 4868 517 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3136 54728 2387 DNIC-AS-00749 - United States Department 36352 3067 232 1054 AS-COLOCROSSING - HostPapa, US 7029 2644 2540 896 WINDSTREAM - Windstream Communications LL 30036 2545 353 592 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7148 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4073 370 2467 M247 - M247 Europe SRL, RO 20940 3792 3389 109 AKAMAI-ASN1 - Akamai International B.V., 12389 3147 2318 869 ROSTELECOM-AS - PJSC Rostelecom, RU 212238 2991 217 2232 CDNEXT - Datacamp Limited, GB 34984 2483 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1722 1852 14 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U 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 12745 3254 644 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2348 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1930 369 65 AS11830 - Instituto Costarricense de Elec 11664 1478 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1365 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1225 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1086 71 364 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1072 2392 100 AS26615 - TIM S/A, 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 2027 633 35 Vodafone Data - Vodafone Data, EG 36992 1851 1532 337 ETISALAT MISR - ETISALAT MISR, EG 36935 1292 523 45 Vodafone Data - Vodafone Data, EG 24863 1271 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1232 555 98 Office National des Postes et Telecommuni 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 625 57 172 Africa on Cloud - Africa on Cloud, ZA 20011 598 157 222 Dimension Data - Dimension Data, ZA 36914 556 82 3 Kenya Education Network - Kenya Education 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 16509 15095 41426 5647 AMAZON-02 - Amazon.com, Inc., US 9808 13941 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12745 3254 644 AS8151 - UNINET, MX 12479 7148 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5871 824 472 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4947 552 326 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4768 3115 365 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1090 CABLEONE - CABLE ONE, INC., US 18403 4545 347 24 FPT-VN - FPT Telecom Company, VN 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 13941 13822 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12745 12101 AS8151 - UNINET, MX 12479 7148 6999 UNI2-AS - Orange Espagne SA, ES 7545 5871 5399 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4947 4621 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4545 4521 FPT-VN - FPT Telecom Company, VN 22773 4768 4403 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4065 4041 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3781 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 395729 UNALLOCATED 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc., 23.137.200.0/24 Origin: 16276 OVH - OVH SAS, FR 23.137.200.0/24 Transit: 7575 AARNET-AS-AP - Australian Academic and R 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 /9:14 /10:39 /11:95 /12:298 /13:582 /14:1190 /15:2108 /16:13580 /17:8277 /18:13296 /19:25421 /20:45733 /21:52416 /22:113486 /23:108258 /24:664434 /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 8151 6965 12745 AS8151 - UNINET, MX 12479 6080 7148 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3727 SHAW - Shaw Communications, CA 11492 3471 4594 CABLEONE - CABLE ONE, INC., US 22773 3058 4768 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2826 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2725 15095 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2201 2545 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2511 2:2057 3:996 4:5 5:5172 6:202 7:6 8:1469 9:65 11:172 12:1123 13:699 14:2716 15:469 16:301 17:442 18:936 20:611 21:4 22:188 23:8393 24:2777 25:2 27:2812 28:1 29:19 31:3712 32:36 34:87 35:285 36:4785 37:4436 38:9907 39:1308 40:411 41:4556 42:2162 43:3227 44:454 45:19727 46:4895 47:415 48:161 49:2304 50:2013 51:815 52:1350 54:292 55:1159 56:11 57:323 58:2743 59:1489 60:1166 61:3133 62:3143 63:1674 64:6421 65:2151 66:6011 67:3271 68:1258 69:4095 70:1051 71:617 72:3192 74:3094 75:1500 76:593 77:2886 78:2046 79:1682 80:2336 81:2283 82:4304 83:1460 84:2203 85:3842 86:1097 87:2685 88:1309 89:4738 90:801 91:8418 92:2774 93:3013 94:4428 95:4685 96:1449 97:309 98:943 99:853 100:69 101:1465 102:4703 103:32345 104:5502 105:858 106:899 107:2947 108:1282 109:3953 110:2274 111:4132 112:3098 113:1993 114:2531 115:2317 116:2069 117:3597 118:3045 119:2138 120:2971 121:1649 122:3014 123:2234 124:1675 125:2984 126:157 128:1604 129:976 130:1694 131:2447 132:891 133:490 134:1731 135:619 136:1466 137:1572 138:3411 139:1810 140:1855 141:1747 142:2582 143:2068 144:1782 145:655 146:2192 147:2261 148:2796 149:3273 150:1375 151:2946 152:2380 153:1750 154:9611 155:2333 156:5003 157:2423 158:1584 159:2869 160:3856 161:2023 162:4119 163:2615 164:2380 165:2760 166:1268 167:2362 168:4076 169:878 170:5622 171:1139 172:4872 173:3443 174:896 175:1361 176:3964 177:5095 178:4466 179:2417 180:3382 181:4597 182:4044 183:2859 184:2018 185:21807 186:6240 187:5030 188:4629 189:4545 190:9910 191:1708 192:11791 193:9611 194:7802 195:5746 196:3400 197:3235 198:6278 199:6068 200:8314 201:6480 202:10690 203:10698 204:4821 205:3784 206:4443 207:4012 208:4371 209:5491 210:4763 211:2694 212:5057 213:4094 214:1039 215:47 216:7237 217:3623 218:1762 219:408 220:2216 221:1324 222:946 223:3586 End of report