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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 15 18:45:28 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 15 Mar, 2025

  IPv4 BGP Table (Global) as seen at RENU.

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

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

BGP routing table entries examined:                              996202
    Prefixes after maximum aggregation (per Origin AS):          374344
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476283
    Number of IPv4 prefixes with a valid ROA:                    547820
    Number of IPv4 prefixes with an invalid ROA:                   1529
    Number of IPv4 prefixes with no ROA:                         446853
Total ASes present in the Internet Routing Table:                 76679
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65796
Origin ASes announcing only one prefix:                           26481
Transit ASes present in the Internet Routing Table:               10883
Transit-only ASes present in the Internet Routing Table:            534
Paths with bogon ASNs present in the IPv4 Routing Table:             91
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1090
    Number of instances of unregistered ASNs:                      1094
Number of 32-bit ASNs allocated by the RIRs:                      46121
Number of 32-bit ASNs visible in the Routing Table:               37967
Prefixes from 32-bit ASNs in the Routing Table:                  206194
Number of bogon 32-bit ASNs visible in the Routing Table:            32
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            552
Number of addresses announced to Internet:                   3111216384
    Equivalent to 185 /8s, 113 /16s and 101 /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:      329028

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

Prefixes being announced by APNIC Region ASes:                   257830
    Total APNIC prefixes after maximum aggregation:               76148
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249566
    Unique aggregates announced from the APNIC address blocks:   102758
APNIC Region origin ASes present in the Internet Routing Table:   14515
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4413
APNIC Region transit ASes present in the Internet Routing Table:   1942
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         44
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10034
Number of APNIC addresses announced to Internet:              749431040
    Equivalent to 44 /8s, 171 /16s and 105 /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:                    291480
    Total ARIN prefixes after maximum aggregation:               128477
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292764
    Unique aggregates announced from the ARIN address blocks:    136434
ARIN Region origin ASes present in the Internet Routing Table:    19195
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7018
ARIN Region transit ASes present in the Internet Routing Table:    1960
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5155
Number of ARIN addresses announced to Internet:              1352541696
    Equivalent to 80 /8s, 158 /16s and 38 /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:                    276105
    Total RIPE prefixes after maximum aggregation:               132840
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273783
    Unique aggregates announced from the RIPE address blocks:    173416
RIPE Region origin ASes present in the Internet Routing Table:    28922
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12057
RIPE Region transit ASes present in the Internet Routing Table:    3959
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12339
Number of RIPE addresses announced to Internet:               732308224
    Equivalent to 43 /8s, 166 /16s and 35 /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:                  132255
    Total LACNIC prefixes after maximum aggregation:              29310
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128775
    Unique aggregates announced from the LACNIC address blocks:   48752
LACNIC Region origin ASes present in the Internet Routing Table:  11205
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2333
LACNIC Region transit ASes present in the Internet Routing Table:  2469
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9160
Number of LACNIC addresses announced to Internet:             171496448
    Equivalent to 10 /8s, 56 /16s and 212 /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:                  37442
    Total AfriNIC prefixes after maximum aggregation:              6892
    AfriNIC Deaggregation factor:                                  5.43
Prefixes being announced from the AfriNIC address blocks:         50762
    Unique aggregates announced from the AfriNIC address blocks:  14464
AfriNIC Region origin ASes present in the Internet Routing Table:  1912
    AfriNIC Prefixes per ASN:                                     26.55
AfriNIC Region origin ASes announcing only one prefix:              660
AfriNIC Region transit ASes present in the Internet Routing Table:  382
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet:            105178880
    Equivalent to 6 /8s, 68 /16s and 231 /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       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4374        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4261        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3272       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2841        847     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2169        434     194  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12920      39642    3973  AMAZON-02, US
   174        5528       8765     947  COGENT-174, US
 11492        4654        309     616  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3380       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3037       1282    2211  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2545        350     417  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7755       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3982       3395     128  AKAMAI-ASN1, NL
  9009        3773        323    1946  M247, RO
 12389        3000       2303     890  ROSTELECOM-AS, RU
 34984        2369        361     582  TELLCOM-AS, TR
212238        2042        147    1507  CDNEXT, GB
  8452        1607       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1485         98     744  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11859       3241     584  UNINET, MX
 10620        3524        487     971  Telmex Colombia S.A., CO
 13999        2507        539     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1194        371      22  Telefonica del Peru S.A.A., PE
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1562        103      64  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1293        202     343  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 37069         855       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  6713         562       1861      35  IAM-AS, MA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12920      39642    3973  AMAZON-02, US
  8151       11859       3241     584  UNINET, MX
  9808       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7755       1714     145  UNI2-AS, ES
  7545        6208        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5528       8765     947  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4654        309     616  CABLEONE, US
 18403        4374        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4261        530     276  BBIL-AP BHARTI Airtel Ltd., IN

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

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

   ASN  No of nets  Net Savings  Description
  8151       11859        11275  UNINET, MX
  9808       10323        10235  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7755         7610  UNI2-AS, ES
  7545        6208         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5528         4581  COGENT-174, US
 18403        4374         4349  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4654         4038  CABLEONE, US
  9498        4261         3985  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/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/RENU/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
23.136.12.0/24       Origin:    393772  THE-WRAPPER-COMPANY, ZZ
23.136.12.0/24      Transit:     20473  AS-VULTR, US
23.138.40.0/22       Origin:       964  IONSWITCH-NW, US
23.138.40.0/22      Transit:     20055  AS-WHOLESAIL, US
23.138.41.0/24       Origin:       964  IONSWITCH-NW, US
23.138.41.0/24      Transit:     20055  AS-WHOLESAIL, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US

Complete listing at https://bgp.nsrc.org/REN/RENU/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       /9:16      /10:42      /11:92      /12:304     
/13:586     /14:1229    /15:2188    /16:14034   /17:8367    /18:13923   
/19:24779   /20:44367   /21:52517   /22:113268  /23:105262  /24:615212  
/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        6693        7755  UNI2-AS, ES
  8151        6032       11859  UNINET, MX
 11492        3508        4654  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2517        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       12920  AMAZON-02, US
 30036        2206        2545  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3524  Telmex Colombia S.A., CO

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

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

   1:2361      2:1526      3:592       4:10        5:4848      6:162    
   7:6         8:1552      9:1        11:172      12:1375     13:347    
  14:2510     15:350      16:279      17:363      18:919      20:469    
  21:4        22:188      23:7352     24:3059     25:2        27:2744   
  29:19       31:3239     32:44       34:83       35:203      36:2408   
  37:4656     38:10250    39:899      40:154      41:4478     42:1965   
  43:2573     44:358      45:19214    46:5055     47:287      49:1997   
  50:1892     51:590      52:1556     54:301      55:1066     56:9      
  57:255      58:2195     59:1250     60:1165     61:3011     62:3003   
  63:1846     64:5523     65:2182     66:4689     67:3037     68:1115   
  69:3987     70:1113     71:623      72:2930     74:2808     75:1658   
  76:612      77:2812     78:1868     79:1735     80:2229     81:2040   
  82:2806     83:1414     84:1818     85:3377     86:1037     87:2422   
  88:1303     89:4338     90:784      91:8412     92:2797     93:2899   
  94:3929     95:4269     96:1413     97:317      98:984      99:738    
 100:71      101:1393    102:4099    103:32457   104:4830    105:1209   
 106:998     107:2599    108:1210    109:4166    110:2232    111:3330   
 112:2042    113:1815    114:1946    115:2205    116:2076    117:2757   
 118:2807    119:1963    120:1881    121:1367    122:2764    123:2320   
 124:1586    125:2890    126:88      128:1585    129:1034    130:1303   
 131:1934    132:786     133:450     134:1530    135:374     136:1295   
 137:1121    138:3052    139:1625    140:1563    141:1482    142:1843   
 143:1663    144:1063    145:486     146:2158    147:2091    148:2611   
 149:2958    150:1254    151:2114    152:2120    153:574     154:8116   
 155:1646    156:3310    157:1921    158:1268    159:2428    160:3620   
 161:1975    162:3701    163:1923    164:1733    165:2204    166:1397   
 167:1906    168:4235    169:801     170:5313    171:997     172:4452   
 173:3247    174:910     175:1281    176:3732    177:5522    178:3869   
 179:2473    180:2613    181:4165    182:3370    183:2052    184:2303   
 185:21688   186:5439    187:4778    188:4240    189:4355    190:9834   
 191:1936    192:11174   193:9455    194:7838    195:5639    196:3574   
 197:3815    198:6128    199:8386    200:8516    201:6416    202:10507  
 203:10694   204:4516    205:3630    206:4615    207:3457    208:4197   
 209:5192    210:4599    211:2524    212:4554    213:3804    214:1054   
 215:42      216:6636    217:3168    218:1346    219:387     220:2102   
 221:1057    222:716     223:2321   

End of report


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