[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jul 29 21:29:22 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Tue 29 Jul, 2025

  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:                             1013658
    Prefixes after maximum aggregation (per Origin AS):          385019
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      488438
    Number of IPv4 prefixes with a valid ROA:                    568600
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         445039
Total ASes present in the Internet Routing Table:                 77218
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           66080
Origin ASes announcing only one prefix:                           26903
Transit ASes present in the Internet Routing Table:               11138
Transit-only ASes present in the Internet Routing Table:            573
Paths with bogon ASNs present in the IPv4 Routing Table:             24
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1089
    Number of instances of unregistered ASNs:                      1124
Number of 32-bit ASNs allocated by the RIRs:                      46966
Number of 32-bit ASNs visible in the Routing Table:               38717
Prefixes from 32-bit ASNs in the Routing Table:                  209892
Number of bogon 32-bit ASNs visible in the Routing Table:            82
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            308
Number of addresses announced to Internet:                   3112882499
    Equivalent to 185 /8s, 138 /16s and 209 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      328911

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   274995
    Total APNIC prefixes after maximum aggregation:               78855
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          266236
    Unique aggregates announced from the APNIC address blocks:   105456
APNIC Region origin ASes present in the Internet Routing Table:   14831
    APNIC Prefixes per ASN:                                       17.95
APNIC Region origin ASes announcing only one prefix:               4498
APNIC Region transit ASes present in the Internet Routing Table:   1997
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10299
Number of APNIC addresses announced to Internet:              754812992
    Equivalent to 44 /8s, 253 /16s and 136 /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:                    294949
    Total ARIN prefixes after maximum aggregation:               132285
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           296116
    Unique aggregates announced from the ARIN address blocks:    141484
ARIN Region origin ASes present in the Internet Routing Table:    19252
    ARIN Prefixes per ASN:                                        15.38
ARIN Region origin ASes announcing only one prefix:                7031
ARIN Region transit ASes present in the Internet Routing Table:    2001
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5262
Number of ARIN addresses announced to Internet:              1349433088
    Equivalent to 80 /8s, 110 /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, 393216-402332
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:                    280589
    Total RIPE prefixes after maximum aggregation:               136500
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           279622
    Unique aggregates announced from the RIPE address blocks:    178116
RIPE Region origin ASes present in the Internet Routing Table:    28988
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12044
RIPE Region transit ASes present in the Internet Routing Table:    4029
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12612
Number of RIPE addresses announced to Internet:               732163779
    Equivalent to 43 /8s, 163 /16s and 238 /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:                  126673
    Total LACNIC prefixes after maximum aggregation:              29820
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         122917
    Unique aggregates announced from the LACNIC address blocks:   49132
LACNIC Region origin ASes present in the Internet Routing Table:  11278
    LACNIC Prefixes per ASN:                                      10.90
LACNIC Region origin ASes announcing only one prefix:              2646
LACNIC Region transit ASes present in the Internet Routing Table:  2524
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9239
Number of LACNIC addresses announced to Internet:             171153984
    Equivalent to 10 /8s, 51 /16s and 154 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  35363
    Total AfriNIC prefixes after maximum aggregation:              6829
    AfriNIC Deaggregation factor:                                  5.18
Prefixes being announced from the AfriNIC address blocks:         48459
    Unique aggregates announced from the AfriNIC address blocks:  13990
AfriNIC Region origin ASes present in the Internet Routing Table:  1938
    AfriNIC Prefixes per ASN:                                     25.00
AfriNIC Region origin ASes announcing only one prefix:              684
AfriNIC Region transit ASes present in the Internet Routing Table:  386
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1305
Number of AfriNIC addresses announced to Internet:            105119488
    Equivalent to 6 /8s, 67 /16s and 255 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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       12304       8921     173  CHINAMOBILE-CN China Mobile Communication
  7545        6127        836     614  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4528        347      26  FPT-AS-AP FPT Telecom Company, VN
  9498        4464        535     311  BBIL-AP BHARTI Airtel Ltd., IN
 45899        4381       1874      55  VNPT-AS-VN VNPT Corp, VN
  7552        3938       1332      28  VIETEL-AS-AP Viettel Group, VN
  7713        3684       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 56046        2957        832     220  CMNET-JIANGSU-AP China Mobile communicati
 24560        2911        864     509  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       13683      40976    5279  AMAZON-02, US
   174        5268       8772     864  COGENT-174, US
 11492        4819        319     605  CABLEONE, US
  7155        3869        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3337       3013     163  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3222      54766    2473  DNIC-AS-00749, US
396982        3197       3856     433  GOOGLE-CLOUD-PLATFORM, US
 16625        2944       1244    2190  AKAMAI-AS, US
  4155        2875        218    1741  USDA-1, US

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        7587       1712     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        3936       3396     140  AKAMAI-ASN1, NL
  9009        3832        363    2147  M247, RO
 12389        3118       2315     869  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2404        361     584  TELLCOM-AS, TR
  5384        2393        585      29  EMIRATES-INTERNET Emirates Internet, AE
212238        2317        164    1685  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1583       1852      14  TE-AS TE-AS, EG

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       12274       3259     580  UNINET, MX
 10620        3480        473    1036  Telmex Colombia S.A., CO
 13999        2521        511     357  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1373       2435     269  Claro NXT Telecomunicacoes Ltda, BR
  3816        1351        788     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1195        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1188        371      22  Telefonica del Peru S.A.A., PE
 22884        1072         68     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1022        373     162  Axtel, S.A.B. de C.V., MX

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        1709        660      28  RAYA-AS, EG
 29571        1605        102      51  ORANGE-COTE-IVOIRE, CI
 36992        1317       1490     358  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 24863        1231        389      20  LINKdotNET-AS, EG
 37069        1086       1112      11  MOBINIL, EG
 36935         887        520      43  Vodafone-, EG
 36914         572         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         542         57      60  WANANCHI-, KE

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       13683      40976    5279  AMAZON-02, US
  9808       12304       8921     173  CHINAMOBILE-CN China Mobile Communication
  8151       12274       3259     580  UNINET, MX
 12479        7587       1712     148  UNI2-AS, ES
  7545        6127        836     614  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5268       8772     864  COGENT-174, US
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4819        319     605  CABLEONE, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 18403        4528        347      26  FPT-AS-AP FPT Telecom Company, VN

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       12304        12131  CHINAMOBILE-CN China Mobile Communications Grou
  8151       12274        11694  UNINET, MX
 12479        7587         7439  UNI2-AS, ES
  7545        6127         5513  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886         4811  ERX-CERNET-BKB China Education and Research Net
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4528         4502  FPT-AS-AP FPT Telecom Company, VN
   174        5268         4404  COGENT-174, US
 45899        4381         4326  VNPT-AS-VN VNPT Corp, VN
 11492        4819         4214  CABLEONE, 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
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    398074  UNALLOCATED  8.28.115.0/24            32787  PROLEXIC-TECHNOLOGIES-D
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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, US

Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.147.224.0/24      Origin:     27392  639-DATACENTERS, US
23.147.224.0/24     Transit:      3356  LEVEL3, US
23.147.225.0/24      Origin:     27392  639-DATACENTERS, US
23.147.225.0/24     Transit:      3356  LEVEL3, US

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      /10:41      /11:92      /12:299     
/13:582     /14:1214    /15:2172    /16:13906   /17:8457    /18:14297   
/19:25400   /20:45921   /21:53136   /22:113916  /23:106122  /24:627317  
/25:136     /26:110     /27:104     /28:20      /29:70      /30:10      
/31:0       /32:306     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6538        7587  UNI2-AS, ES
  8151        6493       12274  UNINET, MX
 11492        3611        4819  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3433        3637  SHAW, CA
  7155        2827        3869  VIASAT-SP-BACKBONE, US
 22773        2491        3337  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2355       13683  AMAZON-02, US
 30036        2287        2628  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2196        3480  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2486      2:1590      3:854       4:12        5:4855      6:163    
   7:6         8:1582      9:1        11:172      12:1343     13:458    
  14:2641     15:367      16:286      17:380      18:898      20:576    
  21:4        22:188      23:7755     24:2729     25:2        27:2862   
  29:19       31:3448     32:39       33:1        34:84       35:262    
  36:3922     37:4610     38:10612    39:952      40:247      41:4346   
  42:2040     43:2816     44:378      45:18910    46:5178     47:354    
  49:1926     50:2014     51:585      52:1555     54:325      55:1091   
  56:11       57:278      58:2287     59:1418     60:1199     61:3072   
  62:3020     63:1798     64:5548     65:2149     66:4764     67:3107   
  68:1073     69:3978     70:1040     71:630      72:2850     74:2818   
  75:1512     76:605      77:2777     78:1900     79:1714     80:2238   
  81:2068     82:3190     83:1490     84:1901     85:3491     86:1190   
  87:2397     88:1313     89:4469     90:777      91:8469     92:2777   
  93:2975     94:4193     95:4429     96:1491     97:310      98:954    
  99:693     100:71      101:1465    102:4028    103:32757   104:5242   
 105:1068    106:979     107:2662    108:1273    109:4252    110:2279   
 111:3414    112:2327    113:1904    114:1982    115:2295    116:2159   
 117:2680    118:3019    119:2048    120:2242    121:1411    122:2931   
 123:2527    124:1797    125:2927    126:91      128:1636    129:977    
 130:1326    131:2084    132:780     133:450     134:1601    135:352    
 136:1464    137:1272    138:2887    139:1666    140:1652    141:1536   
 142:1911    143:1972    144:1181    145:565     146:2203    147:2105   
 148:2726    149:2991    150:1301    151:2253    152:2078    153:591    
 154:7904    155:1857    156:3105    157:1946    158:1348    159:2523   
 160:3607    161:1907    162:3873    163:2256    164:1889    165:2419   
 166:1540    167:2010    168:4047    169:789     170:5184    171:1010   
 172:4231    173:3393    174:915     175:1354    176:3755    177:5022   
 178:3973    179:2378    180:2666    181:4158    182:3559    183:2295   
 184:2101    185:21698   186:5321    187:4772    188:4283    189:4427   
 190:9624    191:1553    192:11371   193:9502    194:7930    195:5729   
 196:3258    197:3180    198:6136    199:8601    200:8353    201:6462   
 202:10983   203:10936   204:4646    205:3577    206:4545    207:3559   
 208:4312    209:5170    210:5035    211:2826    212:4610    213:3830   
 214:1023    215:48      216:6793    217:3378    218:1440    219:603    
 220:2152    221:1204    222:989     223:2767   

End of report


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