This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 20 Jun, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1060663 Prefixes after maximum aggregation (per Origin AS): 407659 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 523436 Number of IPv4 prefixes with a valid ROA: 709401 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 351238 Total ASes present in the Internet Routing Table: 78761 Prefixes per ASN: 13.47 Origin-only ASes present in the Internet Routing Table: 67399 Origin ASes announcing only one prefix: 27511 Transit ASes present in the Internet Routing Table: 11362 Transit-only ASes present in the Internet Routing Table: 594 Paths with bogon ASNs present in the IPv4 Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1239 Number of instances of unregistered ASNs: 1268 Number of 32-bit ASNs allocated by the RIRs: 50213 Number of 32-bit ASNs visible in the Routing Table: 40938 Prefixes from 32-bit ASNs in the Routing Table: 235021 Number of bogon 32-bit ASNs visible in the Routing Table: 114 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 353 Number of addresses announced to Internet: 3124253314 Equivalent to 186 /8s, 56 /16s and 82 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 346314 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290101 Total APNIC prefixes after maximum aggregation: 85342 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 276098 Unique aggregates announced from the APNIC address blocks: 109600 APNIC Region origin ASes present in the Internet Routing Table: 15277 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4665 APNIC Region transit ASes present in the Internet Routing Table: 2080 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 45 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10844 Number of APNIC addresses announced to Internet: 751703616 Equivalent to 44 /8s, 206 /16s and 22 /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: 307803 Total ARIN prefixes after maximum aggregation: 137917 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 306500 Unique aggregates announced from the ARIN address blocks: 148897 ARIN Region origin ASes present in the Internet Routing Table: 19456 ARIN Prefixes per ASN: 15.75 ARIN Region origin ASes announcing only one prefix: 7116 ARIN Region transit ASes present in the Internet Routing Table: 1977 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5631 Number of ARIN addresses announced to Internet: 1348441346 Equivalent to 80 /8s, 95 /16s and 149 /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: 293272 Total RIPE prefixes after maximum aggregation: 145760 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297578 Unique aggregates announced from the RIPE address blocks: 194845 RIPE Region origin ASes present in the Internet Routing Table: 29620 RIPE Prefixes per ASN: 10.05 RIPE Region origin ASes announcing only one prefix: 12262 RIPE Region transit ASes present in the Internet Routing Table: 4097 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13570 Number of RIPE addresses announced to Internet: 749834880 Equivalent to 44 /8s, 177 /16s and 146 /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: 129822 Total LACNIC prefixes after maximum aggregation: 30892 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 124600 Unique aggregates announced from the LACNIC address blocks: 50321 LACNIC Region origin ASes present in the Internet Routing Table: 11428 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2750 LACNIC Region transit ASes present in the Internet Routing Table: 2610 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9491 Number of LACNIC addresses announced to Internet: 169714880 Equivalent to 10 /8s, 29 /16s and 164 /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: 38426 Total AfriNIC prefixes after maximum aggregation: 7081 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 55534 Unique aggregates announced from the AfriNIC address blocks: 19469 AfriNIC Region origin ASes present in the Internet Routing Table: 2039 AfriNIC Prefixes per ASN: 27.24 AfriNIC Region origin ASes announcing only one prefix: 718 AfriNIC Region transit ASes present in the Internet Routing Table: 395 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1402 Number of AfriNIC addresses announced to Internet: 104343552 Equivalent to 6 /8s, 56 /16s and 40 /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 14155 8775 164 CHINAMOBILE-CN - China Mobile Communicati 7545 5858 822 467 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4966 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4626 347 24 FPT-VN - FPT Telecom Company, VN 7552 4054 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3716 908 230 CMNET-Jiangsu-AP - China Mobile communica 7713 3703 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3431 216 598 LCS-AS-AP - LARUS Limited, HK 45899 3379 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2727 731 734 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15325 41454 5598 AMAZON-02 - Amazon.com, Inc., US 22773 4773 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4595 305 1117 CABLEONE - CABLE ONE, INC., US 174 4063 8852 819 COGENT-174 - Cogent Communications, LLC, 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3728 1305 74 SHAW - Shaw Communications, CA 396982 3375 4868 516 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3094 233 1038 AS-COLOCROSSING - HostPapa, US 7029 2644 2536 887 WINDSTREAM - Windstream Communications LL Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4139 374 2515 M247 - M247 Europe SRL, RO 20940 3811 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3351 239 2507 CDNEXT - Datacamp Limited, GB 12389 3150 2320 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1706 1852 17 TE-AS - IDDQD-AS, EG 44559 1700 106 817 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1656 253 828 HostRoyale - HostRoyale Technologies Pvt Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12828 3265 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2339 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1497 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1088 70 366 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1060 2392 100 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1863 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1276 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1115 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 203 Africa on Cloud - Africa on Cloud, ZA 15399 549 57 59 Wananchi Group (Kenya) Limited - Wananchi 36914 547 82 3 Kenya Education Network - Kenya Education Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15325 41454 5598 AMAZON-02 - Amazon.com, Inc., US 9808 14155 8775 164 CHINAMOBILE-CN - China Mobile Communicati 8151 12828 3265 626 AS8151 - UNINET, MX 12479 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5858 822 467 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4966 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4773 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4626 347 24 FPT-VN - FPT Telecom Company, VN 11492 4595 305 1117 CABLEONE - CABLE ONE, INC., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14155 13991 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12828 12202 AS8151 - UNINET, MX 12479 7122 6972 UNI2-AS - Orange Espagne SA, ES 7545 5858 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4966 4636 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4626 4602 FPT-VN - FPT Telecom Company, VN 22773 4773 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4054 4030 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C Complete listing at https://bgp.nsrc.org/REN/Guam/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:300 /13:590 /14:1192 /15:2118 /16:13746 /17:8388 /18:13386 /19:25676 /20:46313 /21:52802 /22:114027 /23:109444 /24:672080 /25:67 /26:83 /27:108 /28:32 /29:57 /30:8 /31:1 /32:79 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7031 12828 AS8151 - UNINET, MX 12479 6051 7122 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3509 3728 SHAW - Shaw Communications, CA 11492 3479 4595 CABLEONE - CABLE ONE, INC., US 22773 3051 4773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2773 15325 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2204 2546 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2571 2:2049 3:1017 4:7 5:5257 6:204 7:6 8:1459 9:73 11:172 12:1112 13:764 14:2736 15:474 16:360 17:447 18:942 20:620 21:4 22:188 23:8417 24:2775 25:2 27:2812 28:1 29:19 31:3787 32:37 34:88 35:291 36:4810 37:4429 38:11224 39:1319 40:446 41:4644 42:2167 43:3350 44:467 45:19987 46:4951 47:472 48:168 49:2336 50:2006 51:874 52:1357 54:304 55:1173 56:11 57:324 58:2759 59:1612 60:1177 61:3216 62:3167 63:1693 64:6465 65:2155 66:6076 67:3312 68:1268 69:4093 70:1050 71:606 72:3226 74:3092 75:1496 76:593 77:2907 78:2110 79:1800 80:2345 81:2313 82:4338 83:1477 84:2228 85:3862 86:1088 87:2896 88:1316 89:4761 90:789 91:8462 92:2777 93:3009 94:4670 95:4679 96:1446 97:309 98:935 99:866 100:69 101:1489 102:4864 103:32585 104:5602 105:1125 106:909 107:2943 108:1307 109:3931 110:2290 111:4212 112:3105 113:1996 114:2520 115:2345 116:2098 117:3598 118:3015 119:2113 120:2771 121:1655 122:3031 123:2279 124:1990 125:3000 126:158 128:1587 129:978 130:1719 131:2470 132:891 133:488 134:1743 135:634 136:1492 137:1381 138:3405 139:1855 140:1879 141:1723 142:2585 143:2088 144:1820 145:661 146:2196 147:2274 148:2808 149:3352 150:1378 151:2965 152:2384 153:1811 154:9933 155:2351 156:4589 157:2458 158:1593 159:2864 160:3884 161:2037 162:4139 163:2634 164:2388 165:2781 166:1274 167:2363 168:4113 169:884 170:5629 171:1144 172:4906 173:3472 174:901 175:1395 176:3970 177:5127 178:4539 179:2443 180:3414 181:4729 182:4038 183:2877 184:2064 185:21890 186:6626 187:5410 188:4797 189:4623 190:10051 191:1770 192:11779 193:9631 194:7886 195:5890 196:3443 197:3146 198:6169 199:6136 200:8392 201:6586 202:10814 203:10691 204:4745 205:3746 206:4462 207:3913 208:4381 209:5413 210:4835 211:2724 212:5138 213:4096 214:1039 215:47 216:7308 217:3705 218:1811 219:435 220:2220 221:1328 222:948 223:3607 End of report