IPv4 R&E Routing Table Report 21:10 GMT Thu 23 Jul, 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: 1059484 Prefixes after maximum aggregation (per Origin AS): 407352 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 525193 Number of IPv4 prefixes with a valid ROA: 717521 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 341855 Total ASes present in the Internet Routing Table: 78849 Prefixes per ASN: 13.44 Origin-only ASes present in the Internet Routing Table: 67457 Origin ASes announcing only one prefix: 27617 Transit ASes present in the Internet Routing Table: 11392 Transit-only ASes present in the Internet Routing Table: 602 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 1253 Number of instances of unregistered ASNs: 1292 Number of 32-bit ASNs allocated by the RIRs: 50514 Number of 32-bit ASNs visible in the Routing Table: 41132 Prefixes from 32-bit ASNs in the Routing Table: 236136 Number of bogon 32-bit ASNs visible in the Routing Table: 126 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 480 Number of addresses announced to Internet: 3120440320 Equivalent to 185 /8s, 254 /16s and 36 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 347331 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287596 Total APNIC prefixes after maximum aggregation: 84222 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 273595 Unique aggregates announced from the APNIC address blocks: 108894 APNIC Region origin ASes present in the Internet Routing Table: 15262 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 4704 APNIC Region transit ASes present in the Internet Routing Table: 2070 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: 10855 Number of APNIC addresses announced to Internet: 749065216 Equivalent to 44 /8s, 165 /16s and 212 /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: 307453 Total ARIN prefixes after maximum aggregation: 138141 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 305585 Unique aggregates announced from the ARIN address blocks: 149949 ARIN Region origin ASes present in the Internet Routing Table: 19486 ARIN Prefixes per ASN: 15.68 ARIN Region origin ASes announcing only one prefix: 7137 ARIN Region transit ASes present in the Internet Routing Table: 1965 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: 5699 Number of ARIN addresses announced to Internet: 1348318976 Equivalent to 80 /8s, 93 /16s and 183 /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: 295624 Total RIPE prefixes after maximum aggregation: 146164 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 300429 Unique aggregates announced from the RIPE address blocks: 195871 RIPE Region origin ASes present in the Internet Routing Table: 29618 RIPE Prefixes per ASN: 10.14 RIPE Region origin ASes announcing only one prefix: 12256 RIPE Region transit ASes present in the Internet Routing Table: 4136 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: 13632 Number of RIPE addresses announced to Internet: 749499648 Equivalent to 44 /8s, 172 /16s and 117 /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: 129942 Total LACNIC prefixes after maximum aggregation: 31035 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 124432 Unique aggregates announced from the LACNIC address blocks: 50568 LACNIC Region origin ASes present in the Internet Routing Table: 11466 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2784 LACNIC Region transit ASes present in the Internet Routing Table: 2638 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: 9538 Number of LACNIC addresses announced to Internet: 169331968 Equivalent to 10 /8s, 23 /16s and 205 /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: 37616 Total AfriNIC prefixes after maximum aggregation: 7079 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 54962 Unique aggregates announced from the AfriNIC address blocks: 19505 AfriNIC Region origin ASes present in the Internet Routing Table: 2048 AfriNIC Prefixes per ASN: 26.84 AfriNIC Region origin ASes announcing only one prefix: 736 AfriNIC Region transit ASes present in the Internet Routing Table: 388 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1408 Number of AfriNIC addresses announced to Internet: 103953152 Equivalent to 6 /8s, 50 /16s and 51 /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 14020 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5042 557 336 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4590 347 24 FPT-VN - FPT Telecom Company, VN 7552 4016 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3763 236 609 LCS-AS-AP - LARUS Limited, HK 7713 3733 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3575 887 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3390 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2744 732 735 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 15577 41518 5624 AMAZON-02 - Amazon.com, Inc., US 22773 4790 3125 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4575 304 1116 CABLEONE - CABLE ONE, INC., US 7155 3989 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3726 1305 74 SHAW - Shaw Communications, CA 396982 3443 4874 538 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3172 237 1117 AS-COLOCROSSING - HostPapa, US 749 3135 54727 2386 DNIC-AS-00749 - United States Department 7029 2678 2534 879 WINDSTREAM - Windstream Communications LL 30036 2553 356 539 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 7043 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4171 376 2559 M247 - M247 Europe SRL, RO 20940 3813 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3465 247 2608 CDNEXT - Datacamp Limited, GB 12389 3128 2330 874 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2548 151 25 KCELL-AS - Kcell JSC, KZ 34984 2489 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1715 1852 14 TE-AS - IDDQD-AS, EG 203020 1660 254 832 HostRoyale - HostRoyale Technologies Pvt 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 12836 3264 620 AS8151 - UNINET, MX 10620 3441 451 1105 AS10620 - Telmex Colombia S.A., CO 13999 2286 499 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1903 369 65 AS11830 - Instituto Costarricense de Elec 11664 1496 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1371 2431 275 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1211 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1052 2384 95 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 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1307 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1294 523 46 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 587 54 191 Africa on Cloud - Africa on Cloud, ZA 36914 554 82 3 Kenya Education Network - Kenya Education 15399 550 57 59 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 15577 41518 5624 AMAZON-02 - Amazon.com, Inc., US 9808 14020 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12836 3264 620 AS8151 - UNINET, MX 12479 7043 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5042 557 336 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4790 3125 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4590 347 24 FPT-VN - FPT Telecom Company, VN 11492 4575 304 1116 CABLEONE - CABLE ONE, INC., 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 14020 13900 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12836 12216 AS8151 - UNINET, MX 12479 7043 6893 UNI2-AS - Orange Espagne SA, ES 7545 5836 5386 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5042 4706 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4590 4566 FPT-VN - FPT Telecom Company, VN 22773 4790 4427 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4016 3992 VIETEL-AS-AP - Viettel Group, VN 7155 3989 3878 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 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 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 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 23.134.212.0/24 Origin: 8143 NEBUSRT - Neburst LLC, US 23.134.212.0/24 Transit: 17476 CHL-AS-AP - CloudRadium (HK) Limited, HK 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 /11:97 /12:299 /13:588 /14:1189 /15:2131 /16:13711 /17:8304 /18:13339 /19:25485 /20:45781 /21:52690 /22:113451 /23:109834 /24:672515 /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 7066 12836 AS8151 - UNINET, MX 12479 5971 7043 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3507 3726 SHAW - Shaw Communications, CA 11492 3467 4575 CABLEONE - CABLE ONE, INC., US 22773 3056 4790 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2945 15577 AMAZON-02 - Amazon.com, Inc., US 7155 2943 3989 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2245 3441 AS10620 - Telmex Colombia S.A., CO 30036 2207 2553 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) ---------------------------------------------- 1:2539 2:2813 3:1022 4:5 5:5335 6:207 7:6 8:1371 9:78 11:172 12:1102 13:802 14:2748 15:482 16:261 17:455 18:942 20:616 21:4 22:188 23:8534 24:2782 25:2 27:2868 28:6 29:19 31:3809 32:36 34:93 35:286 36:4841 37:4440 38:10112 39:1373 40:418 41:4545 42:2205 43:3334 44:472 45:20037 46:4972 47:460 48:168 49:2274 50:2011 51:848 52:1369 54:303 55:1174 56:11 57:327 58:2396 59:1346 60:1213 61:3189 62:3169 63:1750 64:6523 65:2144 66:6142 67:3346 68:1289 69:4073 70:1046 71:613 72:3256 74:3055 75:1515 76:590 77:2914 78:2123 79:2020 80:2370 81:2281 82:4261 83:1487 84:2170 85:3913 86:1102 87:2778 88:1320 89:4812 90:781 91:8499 92:2759 93:3048 94:4457 95:4702 96:1454 97:308 98:930 99:965 100:72 101:1437 102:4720 103:32453 104:5636 105:841 106:903 107:2974 108:1332 109:3919 110:2282 111:4162 112:3116 113:1940 114:2507 115:2334 116:2075 117:3682 118:3050 119:2085 120:2787 121:1673 122:3041 123:2232 124:1724 125:2976 126:157 128:1609 129:981 130:1722 131:2560 132:893 133:488 134:1754 135:646 136:1535 137:1583 138:3448 139:1809 140:1874 141:1797 142:2625 143:2130 144:1825 145:697 146:2177 147:2297 148:2817 149:3597 150:1378 151:2966 152:2435 153:1991 154:9856 155:2386 156:4657 157:2437 158:1617 159:2890 160:3886 161:2040 162:4183 163:2682 164:2377 165:2780 166:1303 167:2362 168:4244 169:907 170:5613 171:1133 172:4919 173:3468 174:885 175:1399 176:4035 177:5214 178:4492 179:2503 180:3239 181:4662 182:4063 183:2832 184:2048 185:21927 186:6570 187:5525 188:4752 189:4646 190:9967 191:1795 192:11827 193:9634 194:7944 195:5899 196:3444 197:3119 198:6351 199:6087 200:8435 201:6649 202:10737 203:10697 204:4749 205:3779 206:4471 207:4088 208:4334 209:5478 210:4772 211:2700 212:5174 213:4128 214:1024 215:47 216:7320 217:3755 218:1862 219:417 220:2287 221:1344 222:944 223:3595 End of report