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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 26 18:45:26 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 26 Apr, 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:                              998848
    Prefixes after maximum aggregation (per Origin AS):          376577
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      479089
    Number of IPv4 prefixes with a valid ROA:                    553960
    Number of IPv4 prefixes with an invalid ROA:                    418
    Number of IPv4 prefixes with no ROA:                         444469
Total ASes present in the Internet Routing Table:                 76834
    Prefixes per ASN:                                             13.00
Origin-only ASes present in the Internet Routing Table:           65938
Origin ASes announcing only one prefix:                           26592
Transit ASes present in the Internet Routing Table:               10896
Transit-only ASes present in the Internet Routing Table:            540
Paths with bogon ASNs present in the IPv4 Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     128
    Max AS path prepend of ASN ( 37447)                             125
Prefixes from unregistered ASNs in the Routing Table:              1082
    Number of instances of unregistered ASNs:                      1083
Number of 32-bit ASNs allocated by the RIRs:                      46285
Number of 32-bit ASNs visible in the Routing Table:               38199
Prefixes from 32-bit ASNs in the Routing Table:                  207550
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            468
Number of addresses announced to Internet:                   3106450944
    Equivalent to 185 /8s, 40 /16s and 174 /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:      330495

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

Prefixes being announced by APNIC Region ASes:                   258060
    Total APNIC prefixes after maximum aggregation:               76473
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249579
    Unique aggregates announced from the APNIC address blocks:   103060
APNIC Region origin ASes present in the Internet Routing Table:   14588
    APNIC Prefixes per ASN:                                       17.11
APNIC Region origin ASes announcing only one prefix:               4452
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:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10120
Number of APNIC addresses announced to Internet:              748535040
    Equivalent to 44 /8s, 157 /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:                    292635
    Total ARIN prefixes after maximum aggregation:               129458
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           294158
    Unique aggregates announced from the ARIN address blocks:    138419
ARIN Region origin ASes present in the Internet Routing Table:    19225
    ARIN Prefixes per ASN:                                        15.30
ARIN Region origin ASes announcing only one prefix:                7039
ARIN Region transit ASes present in the Internet Routing Table:    1955
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5194
Number of ARIN addresses announced to Internet:              1348872960
    Equivalent to 80 /8s, 102 /16s and 43 /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:                    276897
    Total RIPE prefixes after maximum aggregation:               133768
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274360
    Unique aggregates announced from the RIPE address blocks:    174041
RIPE Region origin ASes present in the Internet Routing Table:    28955
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3950
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12428
Number of RIPE addresses announced to Internet:               731795200
    Equivalent to 43 /8s, 158 /16s and 79 /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:                  132263
    Total LACNIC prefixes after maximum aggregation:              29392
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128711
    Unique aggregates announced from the LACNIC address blocks:   48759
LACNIC Region origin ASes present in the Internet Routing Table:  11228
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2393
LACNIC Region transit ASes present in the Internet Routing Table:  2472
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:  9175
Number of LACNIC addresses announced to Internet:             171756800
    Equivalent to 10 /8s, 60 /16s and 205 /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:                  37911
    Total AfriNIC prefixes after maximum aggregation:              6841
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         51572
    Unique aggregates announced from the AfriNIC address blocks:  14425
AfriNIC Region origin ASes present in the Internet Routing Table:  1916
    AfriNIC Prefixes per ASN:                                     26.92
AfriNIC Region origin ASes announcing only one prefix:              654
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:                      128
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105267712
    Equivalent to 6 /8s, 70 /16s and 66 /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       10365       8753      92  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4259        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4236        531     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3677       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3269       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2858        851     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2180      11524     640  KIXS-AS-KR Korea Telecom, KR
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13258      39705    4095  AMAZON-02, US
   174        5556       8756     922  COGENT-174, US
 11492        4701        312     586  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3395       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3073       1291    2244  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2735        225     835  AS-COLOCROSSING, 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        7721       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4019       3395     126  AKAMAI-ASN1, NL
  9009        3779        326    1966  M247, RO
 12389        3069       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2113        150    1549  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1427        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       11996       3243     595  UNINET, MX
 10620        3516        485     994  Telmex Colombia S.A., CO
 13999        2508        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1192        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1189        371      21  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1055         67     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1743        607      31  RAYA-AS, EG
 24863        1654        389      18  LINKdotNET-AS, EG
 29571        1589        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  IS, ZA

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       13258      39705    4095  AMAZON-02, US
  8151       11996       3243     595  UNINET, MX
  9808       10365       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7721       1714     145  UNI2-AS, ES
  7545        6212        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5556       8756     922  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4701        312     586  CABLEONE, US
 18403        4259        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4236        531     277  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       11996        11401  UNINET, MX
  9808       10365        10273  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7721         7576  UNI2-AS, ES
  7545        6212         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5556         4634  COGENT-174, US
 18403        4259         4234  FPT-AS-AP FPT Telecom Company, VN
 11492        4701         4115  CABLEONE, US
  9498        4236         3959  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920         3894  VIETEL-AS-AP Viettel Group, VN

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
     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/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
23.140.216.0/24      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
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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      /10:41      /11:93      /12:300     
/13:583     /14:1228    /15:2181    /16:13987   /17:8350    /18:13913   
/19:24775   /20:44190   /21:52461   /22:113381  /23:105780  /24:617553  
/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        7721  UNI2-AS, ES
  8151        6180       11996  UNINET, MX
 11492        3531        4701  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2532        3395  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2359       13258  AMAZON-02, US
 30036        2223        2563  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2182        3516  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)
----------------------------------------------

   1:2352      2:1532      3:624       4:9         5:4944      6:163    
   7:6         8:1560      9:1        11:172      12:1372     13:352    
  14:2505     15:352      16:282      17:367      18:920      20:519    
  21:4        22:188      23:7527     24:2894     25:2        27:2770   
  29:19       31:3264     32:44       34:84       35:206      36:2404   
  37:4686     38:10278    39:907      40:166      41:4450     42:1906   
  43:2595     44:378      45:19236    46:5062     47:293      49:1941   
  50:1901     51:591      52:1557     54:298      55:1085     56:11     
  57:264      58:2205     59:1284     60:1171     61:2992     62:3018   
  63:1838     64:5529     65:2206     66:4702     67:3101     68:1123   
  69:4013     70:1066     71:624      72:2924     74:2814     75:1624   
  76:614      77:2838     78:1886     79:1753     80:2216     81:2067   
  82:3181     83:1435     84:1852     85:3409     86:1047     87:2410   
  88:1299     89:4332     90:785      91:8409     92:2726     93:2902   
  94:4082     95:4359     96:1464     97:312      98:995      99:669    
 100:72      101:1402    102:4296    103:32331   104:4826    105:1229   
 106:1043    107:2622    108:1218    109:4124    110:2230    111:3351   
 112:2048    113:1812    114:1972    115:2245    116:2074    117:2736   
 118:2824    119:1959    120:1883    121:1370    122:2775    123:2405   
 124:1587    125:2863    126:91      128:1586    129:1017    130:1321   
 131:1975    132:759     133:450     134:1541    135:377     136:1315   
 137:1127    138:3058    139:1612    140:1576    141:1495    142:1929   
 143:1667    144:1060    145:518     146:2161    147:2104    148:2671   
 149:2955    150:1258    151:1754    152:2116    153:570     154:8385   
 155:1655    156:3241    157:1882    158:1292    159:2438    160:3662   
 161:1923    162:3761    163:2096    164:1709    165:2228    166:1446   
 167:1896    168:4236    169:800     170:5299    171:1007    172:4497   
 173:3275    174:906     175:1301    176:3725    177:5482    178:3774   
 179:2708    180:2636    181:4197    182:3388    183:2028    184:2144   
 185:21736   186:5470    187:4812    188:4223    189:4428    190:9788   
 191:1923    192:11272   193:9483    194:7845    195:5619    196:3671   
 197:3812    198:6122    199:8490    200:8519    201:6406    202:10443  
 203:10691   204:4531    205:3655    206:4611    207:3451    208:4247   
 209:5188    210:4607    211:2532    212:4567    213:3826    214:1025   
 215:48      216:6666    217:3202    218:1348    219:385     220:2084   
 221:1060    222:721     223:2350   

End of report


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