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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 12 18:45:12 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 12 May, 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:                             1000682
    Prefixes after maximum aggregation (per Origin AS):          378266
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      479392
    Number of IPv4 prefixes with a valid ROA:                    556393
    Number of IPv4 prefixes with an invalid ROA:                    971
    Number of IPv4 prefixes with no ROA:                         443318
Total ASes present in the Internet Routing Table:                 76861
    Prefixes per ASN:                                             13.02
Origin-only ASes present in the Internet Routing Table:           65970
Origin ASes announcing only one prefix:                           26611
Transit ASes present in the Internet Routing Table:               10891
Transit-only ASes present in the Internet Routing Table:            544
Paths with bogon ASNs present in the IPv4 Routing Table:             81
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1002
    Number of instances of unregistered ASNs:                      1003
Number of 32-bit ASNs allocated by the RIRs:                      46405
Number of 32-bit ASNs visible in the Routing Table:               38259
Prefixes from 32-bit ASNs in the Routing Table:                  208262
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            470
Number of addresses announced to Internet:                   3109770752
    Equivalent to 185 /8s, 91 /16s and 86 /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:      330702

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

Prefixes being announced by APNIC Region ASes:                   259431
    Total APNIC prefixes after maximum aggregation:               76908
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250490
    Unique aggregates announced from the APNIC address blocks:   103191
APNIC Region origin ASes present in the Internet Routing Table:   14605
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4460
APNIC Region transit ASes present in the Internet Routing Table:   1936
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10138
Number of APNIC addresses announced to Internet:              748571904
    Equivalent to 44 /8s, 158 /16s and 77 /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:                    292766
    Total ARIN prefixes after maximum aggregation:               130321
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           294389
    Unique aggregates announced from the ARIN address blocks:    138590
ARIN Region origin ASes present in the Internet Routing Table:    19221
    ARIN Prefixes per ASN:                                        15.32
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1949
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5197
Number of ARIN addresses announced to Internet:              1352931328
    Equivalent to 80 /8s, 164 /16s and 24 /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:                    276896
    Total RIPE prefixes after maximum aggregation:               134005
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274453
    Unique aggregates announced from the RIPE address blocks:    174467
RIPE Region origin ASes present in the Internet Routing Table:    28957
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12057
RIPE Region transit ASes present in the Internet Routing Table:    3963
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12444
Number of RIPE addresses announced to Internet:               730968832
    Equivalent to 43 /8s, 145 /16s and 179 /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:                  132648
    Total LACNIC prefixes after maximum aggregation:              29530
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128885
    Unique aggregates announced from the LACNIC address blocks:   48853
LACNIC Region origin ASes present in the Internet Routing Table:  11239
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2392
LACNIC Region transit ASes present in the Internet Routing Table:  2492
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:  9190
Number of LACNIC addresses announced to Internet:             171757312
    Equivalent to 10 /8s, 60 /16s and 207 /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:                  37939
    Total AfriNIC prefixes after maximum aggregation:              6874
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         51995
    Unique aggregates announced from the AfriNIC address blocks:  13904
AfriNIC Region origin ASes present in the Internet Routing Table:  1923
    AfriNIC Prefixes per ASN:                                     27.04
AfriNIC Region origin ASes announcing only one prefix:              666
AfriNIC Region transit ASes present in the Internet Routing Table:  381
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet:            105313280
    Equivalent to 6 /8s, 70 /16s and 244 /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       10798       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6160        842     650  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4371        534     303  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4348        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3907       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2869        852     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     649  KIXS-AS-KR Korea Telecom, KR
 45090        2173       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       13366      40834    4897  AMAZON-02, US
   174        5322       8750     894  COGENT-174, US
 11492        4726        313     592  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3346       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3253      54861    2504  DNIC-AS-00749, US
396982        3164       3852     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3085       1294    2249  AKAMAI-AS, US
 36352        2794        228     853  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        7696       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4015       3395     126  AKAMAI-ASN1, NL
  9009        3811        329    1977  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2141        151    1575  CDNEXT, GB
  8452        1644       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1427        366      39  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       12098       3247     582  UNINET, MX
 10620        3500        480    1019  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1206        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1190        371      22  Telefonica del Peru S.A.A., PE
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1056         67     378  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        1744        631      30  RAYA-AS, EG
 24863        1651        389      16  LINKdotNET-AS, EG
 29571        1595        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1035        523      45  Vodafone-, EG
 37069         999       1100      18  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       13366      40834    4897  AMAZON-02, US
  8151       12098       3247     582  UNINET, MX
  9808       10798       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7696       1714     148  UNI2-AS, ES
  7545        6160        842     650  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5322       8750     894  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4726        313     592  CABLEONE, US
  9498        4371        534     303  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4348        347      25  FPT-AS-AP FPT Telecom Company, VN

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       12098        11516  UNINET, MX
  9808       10798        10703  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7696         7548  UNI2-AS, ES
  7545        6160         5510  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5322         4428  COGENT-174, US
 18403        4348         4323  FPT-AS-AP FPT Telecom Company, VN
 11492        4726         4134  CABLEONE, US
  9498        4371         4068  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4015         3889  AKAMAI-ASN1, NL

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
    211747  UNALLOCATED  5.231.225.0/24          204044  ONLYSERVERS Dedicated S
     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
23.140.216.0/24      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     
/13:582     /14:1228    /15:2186    /16:14049   /17:8328    /18:13878   
/19:24793   /20:44314   /21:52444   /22:113308  /23:106034  /24:619072  
/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        6617        7696  UNI2-AS, ES
  8151        6273       12098  UNINET, MX
 11492        3533        4726  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3412        3615  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2496        3346  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2329       13366  AMAZON-02, US
 30036        2220        2560  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3500  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)
----------------------------------------------

   1:2344      2:1517      3:719       4:11        5:4966      6:163    
   7:6         8:1607      9:1        11:172      12:1364     13:394    
  14:2518     15:353      16:285      17:372      18:920      20:525    
  21:4        22:188      23:7542     24:2890     25:2        27:2771   
  29:19       31:3282     32:45       33:1        34:84       35:205    
  36:2762     37:4659     38:10324    39:909      40:172      41:4444   
  42:1984     43:2605     44:377      45:19272    46:5065     47:294    
  49:1941     50:1899     51:588      52:1557     54:307      55:1090   
  56:11       57:267      58:2213     59:1368     60:1165     61:3002   
  62:3015     63:1824     64:5523     65:2190     66:4742     67:3112   
  68:1134     69:4009     70:1088     71:639      72:2944     74:2805   
  75:1624     76:617      77:2804     78:1884     79:1759     80:2219   
  81:2073     82:3129     83:1442     84:1856     85:3425     86:1049   
  87:2413     88:1302     89:4361     90:775      91:8426     92:2690   
  93:2901     94:4049     95:4318     96:1475     97:316      98:980    
  99:677     100:72      101:1409    102:4324    103:32386   104:5014   
 105:1230    106:1032    107:2638    108:1228    109:4120    110:2236   
 111:3317    112:2060    113:1807    114:1977    115:2247    116:2087   
 117:2615    118:2801    119:1959    120:1895    121:1368    122:2773   
 123:2401    124:1587    125:2840    126:91      128:1596    129:1015   
 130:1323    131:2029    132:779     133:451     134:1540    135:377    
 136:1297    137:1127    138:3067    139:1618    140:1590    141:1501   
 142:1924    143:1745    144:1108    145:511     146:2170    147:2097   
 148:2632    149:2923    150:1226    151:1862    152:2104    153:560    
 154:8416    155:1718    156:3461    157:1899    158:1301    159:2440   
 160:3658    161:1895    162:3746    163:2163    164:1728    165:2228   
 166:1472    167:1930    168:4239    169:800     170:5330    171:1007   
 172:4419    173:3293    174:910     175:1301    176:3739    177:5513   
 178:3695    179:2448    180:2655    181:4202    182:3425    183:2063   
 184:2120    185:21752   186:5517    187:4825    188:4249    189:4475   
 190:9863    191:1928    192:11242   193:9527    194:7834    195:5581   
 196:3659    197:3833    198:6115    199:8506    200:8550    201:6448   
 202:10366   203:10700   204:4545    205:3489    206:4491    207:3468   
 208:4290    209:5221    210:4654    211:2537    212:4563    213:3763   
 214:1031    215:48      216:6778    217:3200    218:1358    219:386    
 220:2084    221:1081    222:714     223:2367   

End of report


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