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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 8 21:40:14 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Tue 08 Apr, 2025

  IPv4 BGP Table (Global) as seen at USP.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/USP/

Analysis Summary
----------------

BGP routing table entries examined:                              977641
    Prefixes after maximum aggregation (per Origin AS):          375183
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476711
    Number of IPv4 prefixes with a valid ROA:                    538900
    Number of IPv4 prefixes with an invalid ROA:                    164
    Number of IPv4 prefixes with no ROA:                         438577
Total ASes present in the Internet Routing Table:                 76758
    Prefixes per ASN:                                             12.74
Origin-only ASes present in the Internet Routing Table:           65803
Origin ASes announcing only one prefix:                           26898
Transit ASes present in the Internet Routing Table:               10955
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:            308
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1157
    Number of instances of unregistered ASNs:                      1163
Number of 32-bit ASNs allocated by the RIRs:                      46152
Number of 32-bit ASNs visible in the Routing Table:               38044
Prefixes from 32-bit ASNs in the Routing Table:                  200622
Number of bogon 32-bit ASNs visible in the Routing Table:            36
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            459
Number of addresses announced to Internet:                   3105822208
    Equivalent to 185 /8s, 31 /16s and 22 /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:      320976

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

Prefixes being announced by APNIC Region ASes:                   255573
    Total APNIC prefixes after maximum aggregation:               76310
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247410
    Unique aggregates announced from the APNIC address blocks:   102768
APNIC Region origin ASes present in the Internet Routing Table:   14552
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4445
APNIC Region transit ASes present in the Internet Routing Table:   1960
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10061
Number of APNIC addresses announced to Internet:              747594752
    Equivalent to 44 /8s, 143 /16s and 100 /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:                    288604
    Total ARIN prefixes after maximum aggregation:               128837
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           289770
    Unique aggregates announced from the ARIN address blocks:    137327
ARIN Region origin ASes present in the Internet Routing Table:    19241
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                7043
ARIN Region transit ASes present in the Internet Routing Table:    1978
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5179
Number of ARIN addresses announced to Internet:              1349399808
    Equivalent to 80 /8s, 110 /16s and 53 /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:                    273617
    Total RIPE prefixes after maximum aggregation:               133339
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271473
    Unique aggregates announced from the RIPE address blocks:    173718
RIPE Region origin ASes present in the Internet Routing Table:    28872
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12038
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12362
Number of RIPE addresses announced to Internet:               731646976
    Equivalent to 43 /8s, 156 /16s and 12 /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:                  123457
    Total LACNIC prefixes after maximum aggregation:              29245
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120098
    Unique aggregates announced from the LACNIC address blocks:   48875
LACNIC Region origin ASes present in the Internet Routing Table:  11225
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2679
LACNIC Region transit ASes present in the Internet Routing Table:  2461
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9171
Number of LACNIC addresses announced to Internet:             171730176
    Equivalent to 10 /8s, 60 /16s and 101 /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:                  35233
    Total AfriNIC prefixes after maximum aggregation:              6730
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48430
    Unique aggregates announced from the AfriNIC address blocks:  13629
AfriNIC Region origin ASes present in the Internet Routing Table:  1907
    AfriNIC Prefixes per ASN:                                     25.40
AfriNIC Region origin ASes announcing only one prefix:              693
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:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271
Number of AfriNIC addresses announced to Internet:            105213184
    Equivalent to 6 /8s, 69 /16s and 109 /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       10309       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4243        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3915       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3258       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2848        849     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2163      11521     628  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12992      39642    3928  AMAZON-02, US
 11492        4687        311     584  CABLEONE, US
  7155        3828        286      85  VIASAT-SP-BACKBONE, US
 22773        3626       3054     222  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3607       8766     957  COGENT-174, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3116       1311    2259  AKAMAI-AS, US
396982        2948       3649     465  GOOGLE-CLOUD-PLATFORM, US
 36352        2626        216     805  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7717       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4021       3395     129  AKAMAI-ASN1, NL
  9009        3766        326    1960  M247, RO
 12389        3073       2303     888  ROSTELECOM-AS, RU
 34984        2365        360     582  TELLCOM-AS, TR
212238        2081        148    1532  CDNEXT, GB
  8452        1620       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     748  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11930       3244     585  UNINET, MX
 10620        3536        487     974  Telmex Colombia S.A., CO
 13999        2509        539     364  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1176        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1050         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        374     163  Axtel, S.A.B. de C.V., MX

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1703        599      30  RAYA-AS, EG
 24863        1641        389      16  LINKdotNET-AS, EG
 29571        1567        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         536         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12992      39642    3928  AMAZON-02, US
  8151       11930       3244     585  UNINET, MX
  9808       10309       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7717       1714     145  UNI2-AS, ES
  7545        6215        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4687        311     584  CABLEONE, US
 18403        4243        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4021       3395     129  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11930        11345  UNINET, MX
  9808       10309        10220  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7717         7572  UNI2-AS, ES
  7545        6215         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4243         4218  FPT-AS-AP FPT Telecom Company, VN
 11492        4687         4103  CABLEONE, US
  9498        4220         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4021         3892  AKAMAI-ASN1, NL
  7552        3915         3889  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/USP/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
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     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

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.137.20.0/24       Origin:     34437  COVERTHART-AS-34437, US
23.137.20.0/24      Transit:       174  COGENT-174, US
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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:41      /11:93      /12:301     
/13:583     /14:1225    /15:2164    /16:13922   /17:8278    /18:13746   
/19:24604   /20:43708   /21:51740   /22:112039  /23:101438  /24:603726  
/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
 12479        6642        7717  UNI2-AS, ES
  8151        6133       11930  UNINET, MX
 11492        3531        4687  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3828  VIASAT-SP-BACKBONE, US
 22773        2744        3626  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2331       12992  AMAZON-02, US
 30036        2221        2563  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2198        3536  Telmex Colombia S.A., CO

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

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

   1:2329      2:1545      3:610       4:10        5:4619      6:163    
   7:6         8:1548      9:1        11:172      12:1372     13:351    
  14:2506     15:352      16:280      17:364      18:921      20:478    
  21:4        22:188      23:7385     24:2827     25:2        27:2738   
  29:19       31:3229     32:37       34:80       35:204      36:2398   
  37:4658     38:8939     39:899      40:154      41:4205     42:1902   
  43:2565     44:366      45:18443    46:4967     47:289      49:1920   
  50:1901     51:590      52:1551     54:300      55:879      56:11     
  57:251      58:2208     59:1215     60:1171     61:2779     62:2911   
  63:1835     64:5504     65:2124     66:4659     67:3064     68:1141   
  69:3981     70:1124     71:623      72:2835     74:2799     75:1609   
  76:610      77:2706     78:1894     79:1730     80:2195     81:2033   
  82:3129     83:1419     84:1841     85:3394     86:1043     87:2162   
  88:1316     89:4328     90:777      91:8322     92:2795     93:2876   
  94:4054     95:4315     96:1438     97:312      98:1023     99:641    
 100:70      101:1148    102:3749    103:32182   104:4795    105:757    
 106:989     107:2634    108:1197    109:4097    110:2227    111:3345   
 112:2041    113:1802    114:1960    115:2215    116:2035    117:2748   
 118:2900    119:1959    120:1872    121:1370    122:2751    123:2178   
 124:1565    125:2856    126:91      128:1597    129:960     130:1278   
 131:1896    132:780     133:451     134:1513    135:332     136:1306   
 137:1240    138:2891    139:1619    140:1559    141:1480    142:1836   
 143:1645    144:1058    145:516     146:2162    147:2102    148:2646   
 149:2899    150:1244    151:1743    152:2104    153:570     154:7900   
 155:1632    156:3192    157:1899    158:1266    159:2432    160:3556   
 161:1898    162:3720    163:1991    164:1696    165:2200    166:1444   
 167:1878    168:4053    169:790     170:5078    171:1006    172:4481   
 173:3226    174:918     175:1295    176:3678    177:4675    178:3786   
 179:2313    180:2588    181:4054    182:3373    183:2032    184:2158   
 185:21538   186:5094    187:4438    188:4198    189:4177    190:9628   
 191:1472    192:11205   193:9428    194:7780    195:5537    196:3284   
 197:3673    198:6097    199:8431    200:8185    201:6272    202:10384  
 203:10612   204:4528    205:3632    206:4628    207:3483    208:4201   
 209:5148    210:4562    211:2533    212:4505    213:3769    214:1052   
 215:48      216:6598    217:3100    218:1331    219:374     220:2074   
 221:1068    222:714     223:2314   

End of report


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