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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 12 22:41:35 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 12 Sep, 2024

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

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

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

BGP routing table entries examined:                             1005407
    Prefixes after maximum aggregation (per Origin AS):          369583
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      465870
Total ASes present in the Internet Routing Table:                 76293
    Prefixes per ASN:                                             13.18
Origin-only ASes present in the Internet Routing Table:           65471
Origin ASes announcing only one prefix:                           26171
Transit ASes present in the Internet Routing Table:               10822
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1067
    Number of instances of unregistered ASNs:                      1075
Number of 32-bit ASNs allocated by the RIRs:                      45346
Number of 32-bit ASNs visible in the Routing Table:               37104
Prefixes from 32-bit ASNs in the Routing Table:                  202971
Number of bogon 32-bit ASNs visible in the Routing Table:            91
Special use prefixes present in the Routing Table:                    7
Prefixes being announced from unallocated address space:            613
Number of addresses announced to Internet:                   3036785860
    Equivalent to 181 /8s, 1 /16s and 172 /24s
    Percentage of available address space announced:               82.0
    Percentage of allocated address space announced:               82.0
    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:      341731

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

Prefixes being announced by APNIC Region ASes:                   259673
    Total APNIC prefixes after maximum aggregation:               75403
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          251358
    Unique aggregates announced from the APNIC address blocks:   100741
APNIC Region origin ASes present in the Internet Routing Table:   14331
    APNIC Prefixes per ASN:                                       17.54
APNIC Region origin ASes announcing only one prefix:               4359
APNIC Region transit ASes present in the Internet Routing Table:   1918
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9768
Number of APNIC addresses announced to Internet:              762196032
    Equivalent to 45 /8s, 110 /16s and 48 /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, 131072-153913
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:                    289187
    Total ARIN prefixes after maximum aggregation:               127640
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292764
    Unique aggregates announced from the ARIN address blocks:    134705
ARIN Region origin ASes present in the Internet Routing Table:    19182
    ARIN Prefixes per ASN:                                        15.26
ARIN Region origin ASes announcing only one prefix:                6957
ARIN Region transit ASes present in the Internet Routing Table:    1953
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5006
Number of ARIN addresses announced to Internet:              1267178306
    Equivalent to 75 /8s, 135 /16s and 155 /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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                    282435
    Total RIPE prefixes after maximum aggregation:               130846
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           278581
    Unique aggregates announced from the RIPE address blocks:    166973
RIPE Region origin ASes present in the Internet Routing Table:    28793
    RIPE Prefixes per ASN:                                         9.68
RIPE Region origin ASes announcing only one prefix:               12083
RIPE Region transit ASes present in the Internet Routing Table:    3923
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12023
Number of RIPE addresses announced to Internet:               723463970
    Equivalent to 43 /8s, 31 /16s and 47 /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,
                        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:                  137243
    Total LACNIC prefixes after maximum aggregation:              28499
    LACNIC Deaggregation factor:                                   4.82
Prefixes being announced from the LACNIC address blocks:         135166
    Unique aggregates announced from the LACNIC address blocks:   48596
LACNIC Region origin ASes present in the Internet Routing Table:  11156
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2136
LACNIC Region transit ASes present in the Internet Routing Table:  2483
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9059
Number of LACNIC addresses announced to Internet:             177729312
    Equivalent to 10 /8s, 151 /16s and 239 /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:                  35802
    Total AfriNIC prefixes after maximum aggregation:              6511
    AfriNIC Deaggregation factor:                                  5.50
Prefixes being announced from the AfriNIC address blocks:         46924
    Unique aggregates announced from the AfriNIC address blocks:  14357
AfriNIC Region origin ASes present in the Internet Routing Table:  1883
    AfriNIC Prefixes per ASN:                                     24.92
AfriNIC Region origin ASes announcing only one prefix:              636
AfriNIC Region transit ASes present in the Internet Routing Table:  358
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1248
Number of AfriNIC addresses announced to Internet:            105855232
    Equivalent to 6 /8s, 79 /16s and 57 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        9941       8746      77  CHINAMOBILE-CN China Mobile Communication
  7545        5710        840     660  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Resear
 18403        4280        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3960       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3789        508     261  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3617       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3263       1841     105  VNPT-AS-VN VNPT Corp, VN
 24560        2808        841     467  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2209        434     195  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10717      11807    3746  AMAZON-02, US
   174        5920       8780     908  COGENT-174, US
 11492        4642        308     545  CABLEONE, US
  7155        4169        287      89  VIASAT-SP-BACKBONE, US
  6327        3601       1320      79  SHAW, CA
   749        3484      55080    2707  DNIC-AS-00749, US
 22773        3428       3035     185  ASN-CXA-ALL-CCI-22773-RDC, US
  7018        3085      23684    1927  ATT-INTERNET4, US
 16625        2890       1288    2152  AKAMAI-AS, US
396982        2814       3570     431  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9312       1251    1840  TTNET, TR
 12479        7637       1708     145  UNI2-AS, ES
 39891        4466        269      55  ALJAWWALSTC-AS, SA
 20940        3880       3396     141  AKAMAI-ASN1, NL
  9009        3680        313    1860  M247, RO
 12389        2937       2295     888  ROSTELECOM-AS, RU
 34984        2377        362     579  TELLCOM-AS, TR
  8452        1889       1852      14  TE-AS TE-AS, EG
212238        1811        129    1333  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11938       3268     594  UNINET, MX
 10620        3542        494     934  Telmex Colombia S.A., CO
 13999        2552        534     364  Mega Cable, S.A. de C.V., MX
 11830        2009        369      64  Instituto Costarricense de Electricidad y
 28573        1579       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1317        776     204  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
 11664        1180        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1152         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1149        374     163  Axtel, S.A.B. de C.V., MX
  6147        1103        369      22  Telefonica del Peru S.A.A., PE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1633        310      36  Telkom-Internet, ZA
 24835        1611        593      29  RAYA-AS, EG
 24863        1598        389      18  LINKdotNET-AS, EG
 36992        1411       1519     282  ETISALAT-MISR, EG
 29571        1336         85      65  ORANGE-COTE-IVOIRE, CI
 36903        1249        554      96  MT-MPLS, MA
 36935         953        523      48  Vodafone-, EG
 20011         562        142     269  INTERNET-SOLUTIONS, ZA
  6713         557       1861      35  IAM-AS, MA
 36914         540         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11938       3268     594  UNINET, MX
 16509       10717      11807    3746  AMAZON-02, US
  9808        9941       8746      77  CHINAMOBILE-CN China Mobile Communication
 47331        9312       1251    1840  TTNET, TR
 12479        7637       1708     145  UNI2-AS, ES
   174        5920       8780     908  COGENT-174, US
  7545        5710        840     660  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Resear
 11492        4642        308     545  CABLEONE, US
 39891        4466        269      55  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808        9941         9864  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7637         7492  UNI2-AS, ES
 47331        9312         7472  TTNET, TR
 16509       10717         6971  AMAZON-02, US
  7545        5710         5050  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5920         5012  COGENT-174, US
  4538        5007         4933  ERX-CERNET-BKB China Education and Research Net
 39891        4466         4411  ALJAWWALSTC-AS, SA
 18403        4280         4257  FPT-AS-AP FPT Telecom Company, VN
 11492        4642         4097  CABLEONE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
100.64.0.0/17              8866  VIVACOM-AS BULGARIA, BG
100.64.128.0/21            8866  VIVACOM-AS BULGARIA, BG
100.64.136.0/21            8866  VIVACOM-AS BULGARIA, BG
100.64.144.0/21            8866  VIVACOM-AS BULGARIA, BG
100.64.152.0/21            8866  VIVACOM-AS BULGARIA, BG
100.64.160.0/19            8866  VIVACOM-AS BULGARIA, BG
192.88.99.0/24             6939  HURRICANE, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.137.192.0/24      Origin:     31798  DATACITY, CA
23.137.192.0/24     Transit:     21949  BEANFIELD, CA
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

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:37      /11:92      /12:296     
/13:582     /14:1191    /15:2131    /16:13338   /17:8384    /18:14162   
/19:25162   /20:45449   /21:54115   /22:114793  /23:107634  /24:612970  
/25:660     /26:646     /27:1188    /28:303     /29:520     /30:504     
/31:333     /32:884     

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

   ASN  No of nets  Total ann.  Description
 47331        8404        9312  TTNET, TR
 12479        6692        7637  UNI2-AS, ES
  8151        6074       11938  UNINET, MX
 11492        3553        4642  CABLEONE, US
  6327        3396        3601  SHAW, CA
 39891        3356        4466  ALJAWWALSTC-AS, SA
  7155        3113        4169  VIASAT-SP-BACKBONE, US
 22773        2564        3428  ASN-CXA-ALL-CCI-22773-RDC, US
 10620        2171        3542  Telmex Colombia S.A., CO
 30036        2163        2501  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2307      2:1633      3:469       4:23        5:4793      6:161    
   7:6         8:1608      9:2        11:172      12:1432     13:375    
  14:2411     15:327      16:259      17:363      18:883      20:419    
  21:4        22:188      23:6897     24:3072     25:2        27:2693   
  29:19       31:2795     32:63       34:69       35:142      36:2383   
  37:4624     38:9872     39:923      40:153      41:4636     42:1976   
  43:2472     44:334      45:19068    46:4695     47:301      49:1996   
  50:1892     51:577      52:1613     54:316      55:963      56:8      
  57:226      58:2251     59:1275     60:1065     61:2871     62:2882   
  63:1878     64:5666     65:2315     66:4789     67:3099     68:1357   
  69:4045     70:1331     71:578      72:2931     74:2696     75:1600   
  76:624      77:2688     78:4203     79:1547     80:2221     81:2189   
  82:1755     83:1414     84:1794     85:4102     86:1006     87:2357   
  88:3196     89:4438     90:682      91:8368     92:2507     93:2783   
  94:3859     95:5504     96:1275     97:325      98:1075     99:737    
 100:73      101:1178    102:3800    103:32470   104:4420    105:2128   
 106:993     107:2403    108:1174    109:3992    110:2144    111:3312   
 112:2076    113:1829    114:1902    115:2163    116:1996    117:2683   
 118:2879    119:2014    120:1837    121:1441    122:2717    123:2210   
 124:1689    125:2862    126:64      128:1494    129:1013    130:1261   
 131:2047    132:943     133:428     134:1515    135:352     136:1210   
 137:1124    138:3251    139:1524    140:1458    141:1460    142:1776   
 143:1762    144:1030    145:371     146:2138    147:2044    148:2575   
 149:2877    150:1073    151:1366    152:2129    153:572     154:6883   
 155:1443    156:2469    157:1838    158:1195    159:2445    160:3190   
 161:1727    162:3588    163:1775    164:1757    165:1947    166:1316   
 167:1884    168:4400    169:833     170:5464    171:1053    172:3938   
 173:3123    174:905     175:1256    176:3604    177:6266    178:3745   
 179:2667    180:2497    181:4015    182:3327    183:2037    184:2272   
 185:21362   186:5667    187:5005    188:4327    189:4506    190:9869   
 191:2098    192:11124   193:9299    194:7649    195:5552    196:3406   
 197:3158    198:6090    199:8151    200:8748    201:6616    202:10733  
 203:10580   204:4662    205:3718    206:4577    207:3710    208:4214   
 209:5209    210:4848    211:2671    212:4526    213:3792    214:1055   
 215:63      216:6805    217:2997    218:1424    219:557     220:2037   
 221:1049    222:876     223:2246   

End of report


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