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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 19 18:45:20 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Wed 19 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:                              996375
    Prefixes after maximum aggregation (per Origin AS):          374273
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475498
    Number of IPv4 prefixes with a valid ROA:                    548268
    Number of IPv4 prefixes with an invalid ROA:                   1515
    Number of IPv4 prefixes with no ROA:                         446587
Total ASes present in the Internet Routing Table:                 76698
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65863
Origin ASes announcing only one prefix:                           26487
Transit ASes present in the Internet Routing Table:               10835
Transit-only ASes present in the Internet Routing Table:            532
Paths with bogon ASNs present in the IPv4 Routing Table:            100
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:              1057
    Number of instances of unregistered ASNs:                      1066
Number of 32-bit ASNs allocated by the RIRs:                      46125
Number of 32-bit ASNs visible in the Routing Table:               38001
Prefixes from 32-bit ASNs in the Routing Table:                  206307
Number of bogon 32-bit ASNs visible in the Routing Table:            48
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            528
Number of addresses announced to Internet:                   3109144576
    Equivalent to 185 /8s, 81 /16s and 200 /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:      329122

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

Prefixes being announced by APNIC Region ASes:                   257861
    Total APNIC prefixes after maximum aggregation:               76152
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249573
    Unique aggregates announced from the APNIC address blocks:   102634
APNIC Region origin ASes present in the Internet Routing Table:   14523
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4415
APNIC Region transit ASes present in the Internet Routing Table:   1923
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10042
Number of APNIC addresses announced to Internet:              749192704
    Equivalent to 44 /8s, 167 /16s and 198 /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:                    291599
    Total ARIN prefixes after maximum aggregation:               128462
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292700
    Unique aggregates announced from the ARIN address blocks:    136563
ARIN Region origin ASes present in the Internet Routing Table:    19199
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7019
ARIN Region transit ASes present in the Internet Routing Table:    1951
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:    5161
Number of ARIN addresses announced to Internet:              1350427648
    Equivalent to 80 /8s, 125 /16s and 228 /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:                    276053
    Total RIPE prefixes after maximum aggregation:               132831
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273900
    Unique aggregates announced from the RIPE address blocks:    173537
RIPE Region origin ASes present in the Internet Routing Table:    28918
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12046
RIPE Region transit ASes present in the Internet Routing Table:    3946
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:   12346
Number of RIPE addresses announced to Internet:               732398848
    Equivalent to 43 /8s, 167 /16s and 133 /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:                  132241
    Total LACNIC prefixes after maximum aggregation:              29322
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128714
    Unique aggregates announced from the LACNIC address blocks:   48816
LACNIC Region origin ASes present in the Internet Routing Table:  11218
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2342
LACNIC Region transit ASes present in the Internet Routing Table:  2460
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:  9168
Number of LACNIC addresses announced to Internet:             171574528
    Equivalent to 10 /8s, 58 /16s and 5 /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:                  37564
    Total AfriNIC prefixes after maximum aggregation:              6844
    AfriNIC Deaggregation factor:                                  5.49
Prefixes being announced from the AfriNIC address blocks:         50960
    Unique aggregates announced from the AfriNIC address blocks:  13502
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     26.54
AfriNIC Region origin ASes announcing only one prefix:              665
AfriNIC Region transit ASes present in the Internet Routing Table:  383
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: 1284
Number of AfriNIC addresses announced to Internet:            105297664
    Equivalent to 6 /8s, 70 /16s and 183 /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       10321       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6207        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4396        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4264        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3907       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3692       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3270       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2842        847     539  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2205       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2167        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       12934      39643    3962  AMAZON-02, US
   174        5471       8765     954  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3381       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3058       1290    2224  AKAMAI-AS, US
396982        2944       3660     457  GOOGLE-CLOUD-PLATFORM, US
 30036        2553        351     407  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        7752       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3978       3395     128  AKAMAI-ASN1, NL
  9009        3772        323    1948  M247, RO
 12389        3007       2304     891  ROSTELECOM-AS, RU
 34984        2370        361     582  TELLCOM-AS, TR
212238        2054        147    1514  CDNEXT, GB
  8452        1608       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     746  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       11861       3241     582  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2508        539     368  Mega Cable, S.A. de C.V., MX
 11830        1990        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      21  Telefonica del Peru S.A.A., PE
 11664        1162        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        1618        389      16  LINKdotNET-AS, EG
 29571        1560        102      23  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         859       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         562        661     321  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       12934      39643    3962  AMAZON-02, US
  8151       11861       3241     582  UNINET, MX
  9808       10321       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7752       1714     145  UNI2-AS, ES
  7545        6207        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5471       8765     954  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4396        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4264        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       11861        11279  UNINET, MX
  9808       10321        10233  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7752         7607  UNI2-AS, ES
  7545        6207         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5471         4517  COGENT-174, US
 18403        4396         4371  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4264         3988  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
23.136.36.0/24       Origin:     17378  AS17378, US
23.136.36.0/24      Transit:      6461  ZAYO-6461, US
23.136.44.0/24       Origin:    395881  SKYLINKHOSTINGLLC, ZZ
23.136.44.0/24      Transit:     40124  AS-CITSL, 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

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      /12:303     
/13:585     /14:1230    /15:2188    /16:14045   /17:8379    /18:13925   
/19:24812   /20:44388   /21:52529   /22:113286  /23:105256  /24:615283  
/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        6687        7752  UNI2-AS, ES
  8151        6035       11861  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2518        3381  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2337       12934  AMAZON-02, US
 30036        2214        2553  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  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      2:1521      3:596       4:10        5:4855      6:162    
   7:6         8:1553      9:1        11:172      12:1375     13:341    
  14:2512     15:350      16:279      17:363      18:921      20:469    
  21:4        22:188      23:7357     24:3070     25:2        27:2744   
  29:19       31:3242     32:45       34:83       35:203      36:2402   
  37:4631     38:10164    39:900      40:155      41:4492     42:1986   
  43:2568     44:351      45:19183    46:5045     47:288      49:1996   
  50:1887     51:590      52:1556     54:302      55:1066     56:9      
  57:264      58:2206     59:1324     60:1165     61:3013     62:3003   
  63:1847     64:5522     65:2181     66:4682     67:3037     68:1117   
  69:3981     70:1113     71:623      72:2926     74:2826     75:1660   
  76:613      77:2806     78:1869     79:1736     80:2229     81:2047   
  82:2843     83:1409     84:1819     85:3388     86:1040     87:2418   
  88:1300     89:4339     90:783      91:8398     92:2803     93:2899   
  94:3941     95:4271     96:1422     97:315      98:989      99:738    
 100:71      101:1308    102:4128    103:32426   104:4822    105:1224   
 106:997     107:2595    108:1210    109:4163    110:2231    111:3334   
 112:2043    113:1808    114:1951    115:2204    116:2079    117:2753   
 118:2802    119:1963    120:1880    121:1366    122:2767    123:2327   
 124:1586    125:2890    126:88      128:1587    129:1029    130:1300   
 131:1942    132:786     133:451     134:1517    135:373     136:1267   
 137:1121    138:3059    139:1620    140:1561    141:1486    142:1833   
 143:1674    144:1062    145:486     146:2165    147:2092    148:2608   
 149:2967    150:1258    151:2118    152:2123    153:574     154:8148   
 155:1637    156:3318    157:1914    158:1277    159:2422    160:3639   
 161:1991    162:3718    163:1944    164:1735    165:2219    166:1406   
 167:1900    168:4223    169:801     170:5320    171:997     172:4472   
 173:3245    174:911     175:1280    176:3733    177:5432    178:3888   
 179:2485    180:2615    181:4170    182:3365    183:2051    184:2302   
 185:21698   186:5433    187:4760    188:4243    189:4354    190:9833   
 191:1952    192:11171   193:9459    194:7839    195:5643    196:3604   
 197:3816    198:6121    199:8391    200:8529    201:6404    202:10502  
 203:10696   204:4522    205:3625    206:4608    207:3458    208:4205   
 209:5197    210:4598    211:2525    212:4555    213:3804    214:1057   
 215:48      216:6630    217:3170    218:1345    219:383     220:2100   
 221:1056    222:716     223:2320   

End of report


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