IPv4 R&E Routing Table Report 21:10 GMT Mon 01 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: 1048581 Prefixes after maximum aggregation (per Origin AS): 404414 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 520049 Number of IPv4 prefixes with a valid ROA: 680085 Number of IPv4 prefixes with an invalid ROA: 114 Number of IPv4 prefixes with no ROA: 368379 Total ASes present in the Internet Routing Table: 78563 Prefixes per ASN: 13.35 Origin-only ASes present in the Internet Routing Table: 67240 Origin ASes announcing only one prefix: 27475 Transit ASes present in the Internet Routing Table: 11323 Transit-only ASes present in the Internet Routing Table: 587 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 68 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1116 Number of instances of unregistered ASNs: 1147 Number of 32-bit ASNs allocated by the RIRs: 49966 Number of 32-bit ASNs visible in the Routing Table: 40757 Prefixes from 32-bit ASNs in the Routing Table: 231454 Number of bogon 32-bit ASNs visible in the Routing Table: 74 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 437 Number of addresses announced to Internet: 3104426752 Equivalent to 185 /8s, 9 /16s and 203 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 342212 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 285139 Total APNIC prefixes after maximum aggregation: 83645 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 271922 Unique aggregates announced from the APNIC address blocks: 108966 APNIC Region origin ASes present in the Internet Routing Table: 15209 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 4655 APNIC Region transit ASes present in the Internet Routing Table: 2050 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10800 Number of APNIC addresses announced to Internet: 747815680 Equivalent to 44 /8s, 146 /16s and 195 /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: 304553 Total ARIN prefixes after maximum aggregation: 137825 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303059 Unique aggregates announced from the ARIN address blocks: 148243 ARIN Region origin ASes present in the Internet Routing Table: 19447 ARIN Prefixes per ASN: 15.58 ARIN Region origin ASes announcing only one prefix: 7116 ARIN Region transit ASes present in the Internet Routing Table: 1972 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5613 Number of ARIN addresses announced to Internet: 1348147456 Equivalent to 80 /8s, 91 /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, 393216-404380 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: 291218 Total RIPE prefixes after maximum aggregation: 144421 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 294994 Unique aggregates announced from the RIPE address blocks: 192807 RIPE Region origin ASes present in the Internet Routing Table: 29538 RIPE Prefixes per ASN: 9.99 RIPE Region origin ASes announcing only one prefix: 12241 RIPE Region transit ASes present in the Internet Routing Table: 4110 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 49 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13492 Number of RIPE addresses announced to Internet: 734159616 Equivalent to 43 /8s, 194 /16s and 99 /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 196608-216475 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: 129054 Total LACNIC prefixes after maximum aggregation: 30863 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123412 Unique aggregates announced from the LACNIC address blocks: 50361 LACNIC Region origin ASes present in the Internet Routing Table: 11416 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2735 LACNIC Region transit ASes present in the Internet Routing Table: 2605 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9456 Number of LACNIC addresses announced to Internet: 169785856 Equivalent to 10 /8s, 30 /16s and 186 /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: 37501 Total AfriNIC prefixes after maximum aggregation: 7018 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54756 Unique aggregates announced from the AfriNIC address blocks: 19295 AfriNIC Region origin ASes present in the Internet Routing Table: 2031 AfriNIC Prefixes per ASN: 26.96 AfriNIC Region origin ASes announcing only one prefix: 728 AfriNIC Region transit ASes present in the Internet Routing Table: 394 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 62 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1396 Number of AfriNIC addresses announced to Internet: 104319744 Equivalent to 6 /8s, 55 /16s and 203 /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 13935 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5875 825 475 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4943 552 325 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4549 347 24 FPT-VN - FPT Telecom Company, VN 7552 4063 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3696 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3542 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3395 213 605 LCS-AS-AP - LARUS Limited, HK 45899 3367 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 15011 41422 5722 AMAZON-02 - Amazon.com, Inc., US 22773 4761 3114 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4593 305 1089 CABLEONE - CABLE ONE, INC., US 7155 3870 286 90 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3364 4868 514 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 3073 232 1043 AS-COLOCROSSING - HostPapa, US 7029 2642 2542 897 WINDSTREAM - Windstream Communications LL 30036 2541 352 593 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 7177 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4059 369 2453 M247 - M247 Europe SRL, RO 20940 3786 3389 109 AKAMAI-ASN1 - Akamai International B.V., 12389 3149 2318 869 ROSTELECOM-AS - PJSC Rostelecom, RU 212238 2949 215 2192 CDNEXT - Datacamp Limited, GB 34984 2486 367 584 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1722 1852 14 TE-AS - IDDQD-AS, EG 203020 1652 252 826 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 12766 3256 630 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2349 498 351 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1930 369 65 AS11830 - Instituto Costarricense de Elec 11664 1475 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1363 2430 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1226 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1084 71 363 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 2028 649 36 Vodafone Data - Vodafone Data, EG 36992 1860 1532 337 ETISALAT MISR - ETISALAT MISR, EG 36935 1292 523 45 Vodafone Data - Vodafone Data, EG 24863 1268 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 627 57 168 Africa on Cloud - Africa on Cloud, ZA 20011 589 155 220 Dimension Data - Dimension Data, ZA 15399 544 56 56 Wananchi Group (Kenya) Limited - Wananchi 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 15011 41422 5722 AMAZON-02 - Amazon.com, Inc., US 9808 13935 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12766 3256 630 AS8151 - UNINET, MX 12479 7177 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5875 825 475 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4943 552 325 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4761 3114 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4593 305 1089 CABLEONE - CABLE ONE, INC., US 18403 4549 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 13935 13816 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12766 12136 AS8151 - UNINET, MX 12479 7177 7028 UNI2-AS - Orange Espagne SA, ES 7545 5875 5400 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4943 4618 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4549 4525 FPT-VN - FPT Telecom Company, VN 22773 4761 4395 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4063 4039 VIETEL-AS-AP - Viettel Group, VN 7155 3870 3780 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 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 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 /13:583 /14:1190 /15:2111 /16:13591 /17:8282 /18:13311 /19:25455 /20:45811 /21:52391 /22:113424 /23:108248 /24:663721 /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 6986 12766 AS8151 - UNINET, MX 12479 6113 7177 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3727 SHAW - Shaw Communications, CA 11492 3470 4593 CABLEONE - CABLE ONE, INC., US 22773 3057 4761 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2825 3870 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2702 15011 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2197 2541 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 3:997 4:5 5:5213 6:204 7:6 8:1471 9:64 11:172 12:1122 13:693 14:2716 15:467 16:280 17:442 18:917 20:610 21:4 22:188 23:8388 24:2773 25:2 27:2811 28:1 29:19 31:3679 32:36 34:87 35:285 36:4783 37:4433 38:9817 39:1307 40:413 41:4510 42:2162 43:3196 44:456 45:19738 46:4897 47:413 48:158 49:2288 50:2021 51:808 52:1348 54:287 55:1104 56:11 57:323 58:2654 59:1467 60:1167 61:3132 62:3151 63:1676 64:6372 65:2149 66:6029 67:3267 68:1270 69:4110 70:1052 71:617 72:3181 74:3083 75:1498 76:593 77:2949 78:2040 79:1802 80:2344 81:2277 82:4257 83:1461 84:2185 85:3850 86:1097 87:2624 88:1324 89:4771 90:805 91:8466 92:2782 93:3024 94:4416 95:4692 96:1447 97:309 98:938 99:849 100:70 101:1467 102:4655 103:32357 104:5489 105:858 106:899 107:2947 108:1270 109:4284 110:2276 111:4130 112:3170 113:1994 114:2531 115:2325 116:2067 117:3601 118:3048 119:2095 120:2916 121:1564 122:3016 123:2234 124:1658 125:2987 126:158 128:1601 129:975 130:1679 131:2444 132:890 133:490 134:1726 135:617 136:1459 137:1562 138:3407 139:1801 140:1862 141:1779 142:2587 143:2058 144:1780 145:652 146:2193 147:2258 148:2793 149:3270 150:1374 151:2961 152:2367 153:1720 154:9532 155:2312 156:5003 157:2422 158:1582 159:2867 160:3862 161:2018 162:4115 163:2603 164:2386 165:2762 166:1263 167:2356 168:4073 169:873 170:5610 171:1140 172:4855 173:3443 174:893 175:1364 176:3955 177:4998 178:4487 179:2420 180:3191 181:4593 182:4042 183:2863 184:2016 185:21811 186:6189 187:5015 188:4592 189:4538 190:9891 191:1705 192:11697 193:9604 194:7853 195:5834 196:3390 197:3228 198:6283 199:6069 200:8287 201:6463 202:10691 203:10692 204:4831 205:3765 206:4447 207:4001 208:4375 209:5481 210:4765 211:2694 212:5101 213:4103 214:1042 215:47 216:7229 217:3614 218:1765 219:415 220:2218 221:1324 222:945 223:3587 End of report