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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 11 22:46:53 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Fri 11 Apr, 2025

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                             1035060
    Prefixes after maximum aggregation (per Origin AS):          379679
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      477164
Total ASes present in the Internet Routing Table:                 76934
    Prefixes per ASN:                                             13.45
Origin-only ASes present in the Internet Routing Table:           66190
Origin ASes announcing only one prefix:                           26310
Transit ASes present in the Internet Routing Table:               10744
Transit-only ASes present in the Internet Routing Table:            540
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.1
    Max AS path length visible:                                      54
    Max AS path prepend of ASN (135823)                              50
Prefixes from unregistered ASNs in the Routing Table:              1171
    Number of instances of unregistered ASNs:                      1177
Number of 32-bit ASNs allocated by the RIRs:                      46168
Number of 32-bit ASNs visible in the Routing Table:               38157
Prefixes from 32-bit ASNs in the Routing Table:                  212111
Number of bogon 32-bit ASNs visible in the Routing Table:            87
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            493
Number of addresses announced to Internet:                   3114000869
    Equivalent to 185 /8s, 155 /16s and 225 /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:      350147

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

Prefixes being announced by APNIC Region ASes:                   267156
    Total APNIC prefixes after maximum aggregation:               77126
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          258816
    Unique aggregates announced from the APNIC address blocks:   102815
APNIC Region origin ASes present in the Internet Routing Table:   14647
    APNIC Prefixes per ASN:                                       17.67
APNIC Region origin ASes announcing only one prefix:               4446
APNIC Region transit ASes present in the Internet Routing Table:   1959
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10108
Number of APNIC addresses announced to Internet:              753974592
    Equivalent to 44 /8s, 240 /16s and 189 /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:                    296370
    Total ARIN prefixes after maximum aggregation:               130694
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           296946
    Unique aggregates announced from the ARIN address blocks:    137494
ARIN Region origin ASes present in the Internet Routing Table:    19258
    ARIN Prefixes per ASN:                                        15.42
ARIN Region origin ASes announcing only one prefix:                7013
ARIN Region transit ASes present in the Internet Routing Table:    1901
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5185
Number of ARIN addresses announced to Internet:              1350086144
    Equivalent to 80 /8s, 120 /16s and 174 /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:                    292397
    Total RIPE prefixes after maximum aggregation:               134789
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           289994
    Unique aggregates announced from the RIPE address blocks:    173836
RIPE Region origin ASes present in the Internet Routing Table:    28949
    RIPE Prefixes per ASN:                                        10.02
RIPE Region origin ASes announcing only one prefix:               12001
RIPE Region transit ASes present in the Internet Routing Table:    3875
Average RIPE Region AS path length visible:                         3.0
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12398
Number of RIPE addresses announced to Internet:               732277029
    Equivalent to 43 /8s, 165 /16s and 169 /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:                  138638
    Total LACNIC prefixes after maximum aggregation:              29508
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         135462
    Unique aggregates announced from the LACNIC address blocks:   48997
LACNIC Region origin ASes present in the Internet Routing Table:  11235
    LACNIC Prefixes per ASN:                                      12.06
LACNIC Region origin ASes announcing only one prefix:              2204
LACNIC Region transit ASes present in the Internet Routing Table:  2468
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9182
Number of LACNIC addresses announced to Internet:             171985280
    Equivalent to 10 /8s, 64 /16s and 73 /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:                  39328
    Total AfriNIC prefixes after maximum aggregation:              6872
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         53347
    Unique aggregates announced from the AfriNIC address blocks:  13594
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.81
AfriNIC Region origin ASes announcing only one prefix:              646
AfriNIC Region transit ASes present in the Internet Routing Table:  368
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105432832
    Equivalent to 6 /8s, 72 /16s and 199 /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       10373       8921     126  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4983       4193      77  ERX-CERNET-BKB China Education and Resear
  9498        4315        531     280  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4284        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
 45899        3911       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3678       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2858        850     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2233       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13171      39691    4084  AMAZON-02, US
   174        5431       8766     963  COGENT-174, US
 11492        4693        311     586  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3409       3050     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3119       1312    2261  AKAMAI-AS, US
396982        2951       3649     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2646        218     803  AS-COLOCROSSING, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9746       1294    1096  TTNET, TR
 12479        7712       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4049       3396     142  AKAMAI-ASN1, NL
  9009        3789        328    1973  M247, RO
 12389        3077       2303     888  ROSTELECOM-AS, RU
 34984        2412        363     576  TELLCOM-AS, TR
212238        2090        148    1540  CDNEXT, GB
  8452        1964       1852      14  TE-AS TE-AS, EG
  5384        1788        585      29  EMIRATES-INTERNET Emirates Internet, AE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12242       3263     686  UNINET, MX
 10620        3536        487     974  Telmex Colombia S.A., CO
 13999        2517        539     364  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1601       2438     256  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1194        371      22  Telefonica del Peru S.A.A., PE
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1089        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1053         70     382  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1702        599      30  RAYA-AS, EG
 24863        1643        389      16  LINKdotNET-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 29571        1580        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     287  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1028        523      45  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13171      39691    4084  AMAZON-02, US
  8151       12242       3263     686  UNINET, MX
  9808       10373       8921     126  CHINAMOBILE-CN China Mobile Communication
 47331        9746       1294    1096  TTNET, TR
 12479        7712       1714     145  UNI2-AS, ES
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5431       8766     963  COGENT-174, US
  4538        4983       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       12242        11556  UNINET, MX
  9808       10373        10247  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9746         8650  TTNET, TR
 12479        7712         7567  UNI2-AS, ES
  7545        6215         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4983         4906  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5431         4468  COGENT-174, US
 18403        4284         4259  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4107  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     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

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24            8151  UNINET, MX
172.22.243.0/24            8151  UNINET, MX
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.137.68.0/24       Origin:     63129  AIRRABBIT-NETWORK, US
23.137.68.0/24      Transit:      6939  HURRICANE, US
23.137.100.0/24      Origin:    401616  PNL, US
23.137.100.0/24     Transit:    213622  BAREMETAL, AE
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

Complete listing at https://bgp.nsrc.org/REN/OIX/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      /12:302     
/13:586     /14:1237    /15:2205    /16:14126   /17:8604    /18:14811   
/19:25653   /20:46268   /21:55026   /22:116704  /23:111440  /24:634672  
/25:585     /26:586     /27:1063    /28:67      /29:105     /30:20      
/31:2       /32:831     

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

   ASN  No of nets  Total ann.  Description
 47331        8827        9746  TTNET, TR
 12479        6633        7712  UNI2-AS, ES
  8151        6388       12242  UNINET, MX
 11492        3531        4693  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3622  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2545        3409  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2333       13171  AMAZON-02, US
 30036        2213        2553  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2382      2:1550      3:614       4:25        5:4936      6:163    
   7:6         8:1642      9:1        10:1        11:172      12:1374   
  13:353      14:2549     15:355      16:279      17:368      18:923    
  20:494      21:4        22:188      23:7479     24:2900     25:2      
  27:2801     29:19       31:3320     32:52       34:84       35:209    
  36:2424     37:4769     38:10168    39:898      40:160      41:4772   
  42:1931     43:2616     44:373      45:20025    46:5057     47:291    
  49:1945     50:1909     51:590      52:1586     54:299      55:873    
  56:11       57:260      58:2296     59:1432     60:1171     61:3100   
  62:3038     63:1853     64:5542     65:2205     66:4738     67:3119   
  68:1147     69:4020     70:1086     71:631      72:2936     74:2833   
  75:1611     76:617      77:2853     78:4350     79:1769     80:2237   
  81:2216     82:3177     83:1465     84:1872     85:4387     86:1048   
  87:2430     88:3545     89:4499     90:779      91:8448     92:2804   
  93:2919     94:4151     95:5593     96:1448     97:323      98:999    
  99:643     100:71      101:1424    102:4256    103:32535   104:4791   
 105:2235    106:990     107:2632    108:1216    109:4155    110:2278   
 111:3382    112:2068    113:1834    114:1984    115:2267    116:2094   
 117:2740    118:2921    119:2008    120:1904    121:1441    122:2895   
 123:2416    124:1687    125:2901    126:91      128:1605    129:1042   
 130:1307    131:2068    132:903     133:451     134:1530    135:378    
 136:1312    137:1172    138:3256    139:1622    140:1586    141:1485   
 142:1894    143:1755    144:1081    145:522     146:2188    147:2112   
 148:2671    149:2994    150:1255    151:1743    152:2128    153:573    
 154:8274    155:1660    156:3255    157:1917    158:1285    159:2449   
 160:3677    161:1920    162:3760    163:2047    164:1756    165:2247   
 166:1458    167:1913    168:4389    169:821     170:5545    171:1008   
 172:4486    173:3255    174:912     175:1300    176:3824    177:6097   
 178:3970    179:2745    180:2671    181:4234    182:3377    183:2057   
 184:2151    185:21810   186:5781    187:5077    188:4319    189:4630   
 190:9968    191:2060    192:11269   193:9520    194:7916    195:5692   
 196:3680    197:3984    198:6230    199:8491    200:8774    201:6543   
 202:10879   203:10777   204:4580    205:3707    206:4684    207:3591   
 208:4228    209:5262    210:4880    211:2633    212:4702    213:3906   
 214:1035    215:48      216:6700    217:3187    218:1392    219:550    
 220:2091    221:1071    222:849     223:2335   

End of report


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