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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jun 19 21:31:07 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Thu 19 Jun, 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:                             1014755
    Prefixes after maximum aggregation (per Origin AS):          381819
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      482861
    Number of IPv4 prefixes with a valid ROA:                    565032
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         449705
Total ASes present in the Internet Routing Table:                 77050
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           65929
Origin ASes announcing only one prefix:                           26676
Transit ASes present in the Internet Routing Table:               11121
Transit-only ASes present in the Internet Routing Table:            569
Paths with bogon ASNs present in the IPv4 Routing Table:             66
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      80
    Max AS path prepend of ASN (133647)                              73
Prefixes from unregistered ASNs in the Routing Table:              1145
    Number of instances of unregistered ASNs:                      1182
Number of 32-bit ASNs allocated by the RIRs:                      46680
Number of 32-bit ASNs visible in the Routing Table:               38442
Prefixes from 32-bit ASNs in the Routing Table:                  209946
Number of bogon 32-bit ASNs visible in the Routing Table:            88
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            314
Number of addresses announced to Internet:                   3111633472
    Equivalent to 185 /8s, 119 /16s and 194 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      331546

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

Prefixes being announced by APNIC Region ASes:                   272298
    Total APNIC prefixes after maximum aggregation:               78180
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          263589
    Unique aggregates announced from the APNIC address blocks:   104693
APNIC Region origin ASes present in the Internet Routing Table:   14739
    APNIC Prefixes per ASN:                                       17.88
APNIC Region origin ASes announcing only one prefix:               4456
APNIC Region transit ASes present in the Internet Routing Table:   2001
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         80
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10196
Number of APNIC addresses announced to Internet:              754294080
    Equivalent to 44 /8s, 245 /16s and 157 /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:                    293926
    Total ARIN prefixes after maximum aggregation:               131237
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295661
    Unique aggregates announced from the ARIN address blocks:    139546
ARIN Region origin ASes present in the Internet Routing Table:    19241
    ARIN Prefixes per ASN:                                        15.37
ARIN Region origin ASes announcing only one prefix:                7026
ARIN Region transit ASes present in the Internet Routing Table:    1998
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:    5237
Number of ARIN addresses announced to Internet:              1349647616
    Equivalent to 80 /8s, 113 /16s and 253 /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:                    280811
    Total RIPE prefixes after maximum aggregation:               135118
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           279530
    Unique aggregates announced from the RIPE address blocks:    175839
RIPE Region origin ASes present in the Internet Routing Table:    28951
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12032
RIPE Region transit ASes present in the Internet Routing Table:    4027
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12510
Number of RIPE addresses announced to Internet:               731267520
    Equivalent to 43 /8s, 150 /16s and 65 /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:                  130097
    Total LACNIC prefixes after maximum aggregation:              29881
    LACNIC Deaggregation factor:                                   4.35
Prefixes being announced from the LACNIC address blocks:         126510
    Unique aggregates announced from the LACNIC address blocks:   48912
LACNIC Region origin ASes present in the Internet Routing Table:  11267
    LACNIC Prefixes per ASN:                                      11.23
LACNIC Region origin ASes announcing only one prefix:              2494
LACNIC Region transit ASes present in the Internet Routing Table:  2525
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        57
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9214
Number of LACNIC addresses announced to Internet:             171296064
    Equivalent to 10 /8s, 53 /16s and 197 /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:                  36478
    Total AfriNIC prefixes after maximum aggregation:              6656
    AfriNIC Deaggregation factor:                                  5.48
Prefixes being announced from the AfriNIC address blocks:         49151
    Unique aggregates announced from the AfriNIC address blocks:  13584
AfriNIC Region origin ASes present in the Internet Routing Table:  1921
    AfriNIC Prefixes per ASN:                                     25.59
AfriNIC Region origin ASes announcing only one prefix:              668
AfriNIC Region transit ASes present in the Internet Routing Table:  379
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1285
Number of AfriNIC addresses announced to Internet:            104963072
    Equivalent to 6 /8s, 65 /16s and 156 /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       11374       8919     162  CHINAMOBILE-CN China Mobile Communication
  7545        6183        846     639  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4884       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4452        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4390       1874      56  VNPT-AS-VN VNPT Corp, VN
  9498        4331        535     311  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3947       1332      27  VIETEL-AS-AP Viettel Group, VN
  7713        3697       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2888        856     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2325        831     217  CMNET-JIANGSU-AP China Mobile communicati

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       13654      40936    5237  AMAZON-02, US
   174        5368       8744     869  COGENT-174, US
 11492        4780        317     603  CABLEONE, US
  7155        3871        287      89  VIASAT-SP-BACKBONE, US
  6327        3636       1320      81  SHAW, CA
 22773        3346       3016     165  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3227      54767    2478  DNIC-AS-00749, US
396982        3191       3854     427  GOOGLE-CLOUD-PLATFORM, US
 16625        3021       1260    2227  AKAMAI-AS, US
 36352        2816        230     846  AS-COLOCROSSING, 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        7673       1713     148  UNI2-AS, ES
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 20940        3970       3395     139  AKAMAI-ASN1, NL
  9009        3891        358    2092  M247, RO
 12389        3114       2304     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
  5384        2417        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2402        361     576  TELLCOM-AS, TR
212238        2320        170    1702  CDNEXT, GB
  8452        1612       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA

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       12208       3256     574  UNINET, MX
 10620        3502        481    1019  Telmex Colombia S.A., CO
 13999        2536        537     353  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1374       2436     260  Claro NXT Telecomunicacoes Ltda, BR
  3816        1340        787     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1200        371      22  Telefonica del Peru S.A.A., PE
 22884        1064         68     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
 28202        1054         52       9  MASTER SA, BR
 26615        1049       2503      52  TIM SA, 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        1820        644      27  RAYA-AS, EG
 24863        1624        389      17  LINKdotNET-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1077        523      47  Vodafone-, EG
 36914         570         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 15399         540         57      59  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       13654      40936    5237  AMAZON-02, US
  8151       12208       3256     574  UNINET, MX
  9808       11374       8919     162  CHINAMOBILE-CN China Mobile Communication
 12479        7673       1713     148  UNI2-AS, ES
  7545        6183        846     639  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5368       8744     869  COGENT-174, US
  4538        4884       4192      75  ERX-CERNET-BKB China Education and Resear
 11492        4780        317     603  CABLEONE, US
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 18403        4452        347      25  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
  8151       12208        11634  UNINET, MX
  9808       11374        11212  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7673         7525  UNI2-AS, ES
  7545        6183         5544  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4884         4809  ERX-CERNET-BKB China Education and Research Net
 39891        4780         4714  ALJAWWALSTC-AS, SA
   174        5368         4499  COGENT-174, US
 18403        4452         4427  FPT-AS-AP FPT Telecom Company, VN
 45899        4390         4334  VNPT-AS-VN VNPT Corp, VN
 11492        4780         4177  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
    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
    395195  UNALLOCATED  8.38.115.0/24             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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US
23.159.56.0/24       Origin:       174  COGENT-174, US
23.159.56.0/24      Transit:      2914  NTT-DATA-2914, 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      /12:301     
/13:585     /14:1214    /15:2172    /16:13970   /17:8515    /18:14342   
/19:25426   /20:46100   /21:53509   /22:114514  /23:107251  /24:625955  
/25:126     /26:112     /27:98      /28:19      /29:75      /30:8       
/31:0       /32:300     

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

   ASN  No of nets  Total ann.  Description
 12479        6595        7673  UNI2-AS, ES
  8151        6424       12208  UNINET, MX
 11492        3576        4780  CABLEONE, US
 39891        3489        4780  ALJAWWALSTC-AS, SA
  6327        3431        3636  SHAW, CA
  7155        2829        3871  VIASAT-SP-BACKBONE, US
 22773        2499        3346  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2353       13654  AMAZON-02, US
 30036        2253        2594  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2189        3502  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)
----------------------------------------------

   1:2446      2:1620      3:821       4:12        5:4861      6:161    
   7:6         8:1601      9:1        11:172      12:1347     13:454    
  14:2594     15:362      16:285      17:381      18:923      20:567    
  21:4        22:188      23:7622     24:2896     25:2        27:2836   
  29:19       31:3423     32:45       33:1        34:84       35:256    
  36:3166     37:4640     38:10567    39:915      40:175      41:4389   
  42:1994     43:2732     44:384      45:19212    46:5208     47:339    
  49:1977     50:1887     51:591      52:1567     54:319      55:1081   
  56:11       57:276      58:2328     59:1327     60:1204     61:3163   
  62:3032     63:1811     64:5511     65:2185     66:4685     67:3079   
  68:1121     69:3946     70:1073     71:631      72:2863     74:2817   
  75:1514     76:616      77:2744     78:1883     79:1733     80:2247   
  81:2080     82:3179     83:1485     84:1880     85:3463     86:1185   
  87:2394     88:1352     89:4456     90:772      91:8500     92:2803   
  93:2951     94:4168     95:4384     96:1472     97:311      98:981    
  99:687     100:72      101:1451    102:4071    103:32909   104:5165   
 105:1191    106:1053    107:2663    108:1251    109:4177    110:2279   
 111:3358    112:2168    113:1867    114:2020    115:2242    116:2150   
 117:2584    118:2947    119:2028    120:2118    121:1455    122:2929   
 123:2627    124:1731    125:2925    126:93      128:1674    129:967    
 130:1321    131:2061    132:782     133:451     134:1558    135:389    
 136:1351    137:1263    138:2999    139:1660    140:1622    141:1505   
 142:1902    143:1873    144:1176    145:545     146:2203    147:2116   
 148:2697    149:2990    150:1287    151:1973    152:2092    153:590    
 154:7666    155:1760    156:2864    157:1927    158:1328    159:2501   
 160:3624    161:1895    162:3882    163:2239    164:1881    165:2015   
 166:1496    167:1998    168:4141    169:793     170:5320    171:1031   
 172:4454    173:3340    174:919     175:1333    176:3791    177:5282   
 178:3772    179:2448    180:2719    181:4249    182:3491    183:2211   
 184:2107    185:21789   186:5451    187:4850    188:4432    189:4475   
 190:9825    191:1898    192:11344   193:9529    194:8006    195:5760   
 196:3348    197:3251    198:6130    199:8544    200:8537    201:6480   
 202:10894   203:10991   204:4563    205:3635    206:4546    207:3519   
 208:4312    209:5163    210:4956    211:2763    212:4657    213:3775   
 214:1028    215:48      216:6804    217:3372    218:1429    219:598    
 220:2090    221:1149    222:976     223:2554   

End of report


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