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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 24 22:41:19 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 24 Mar, 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:                              997255
    Prefixes after maximum aggregation (per Origin AS):          364372
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      458596
Total ASes present in the Internet Routing Table:                 75767
    Prefixes per ASN:                                             13.16
Origin-only ASes present in the Internet Routing Table:           64964
Origin ASes announcing only one prefix:                           25910
Transit ASes present in the Internet Routing Table:               10803
Transit-only ASes present in the Internet Routing Table:            520
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     203
    Max AS path prepend of ASN ( 56409)                             200
Prefixes from unregistered ASNs in the Routing Table:              1191
    Number of instances of unregistered ASNs:                      1193
Number of 32-bit ASNs allocated by the RIRs:                      43902
Number of 32-bit ASNs visible in the Routing Table:               36179
Prefixes from 32-bit ASNs in the Routing Table:                  194285
Number of bogon 32-bit ASNs visible in the Routing Table:           172
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            654
Number of addresses announced to Internet:                   3018240437
    Equivalent to 179 /8s, 230 /16s and 177 /24s
    Percentage of available address space announced:               81.5
    Percentage of allocated address space announced:               81.5
    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:      340916

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

Prefixes being announced by APNIC Region ASes:                   259615
    Total APNIC prefixes after maximum aggregation:               73849
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252101
    Unique aggregates announced from the APNIC address blocks:   100089
APNIC Region origin ASes present in the Internet Routing Table:   14114
    APNIC Prefixes per ASN:                                       17.86
APNIC Region origin ASes announcing only one prefix:               4209
APNIC Region transit ASes present in the Internet Routing Table:   1903
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9463
Number of APNIC addresses announced to Internet:              761275552
    Equivalent to 45 /8s, 96 /16s and 36 /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:                    282842
    Total ARIN prefixes after maximum aggregation:               125701
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           287423
    Unique aggregates announced from the ARIN address blocks:    132514
ARIN Region origin ASes present in the Internet Routing Table:    19157
    ARIN Prefixes per ASN:                                        15.00
ARIN Region origin ASes announcing only one prefix:                6939
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4878
Number of ARIN addresses announced to Internet:              1257492034
    Equivalent to 74 /8s, 243 /16s and 206 /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, 393216-401308
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:                    282830
    Total RIPE prefixes after maximum aggregation:               128935
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276636
    Unique aggregates announced from the RIPE address blocks:    162936
RIPE Region origin ASes present in the Internet Routing Table:    28655
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12070
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         203
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11710
Number of RIPE addresses announced to Internet:               715050355
    Equivalent to 42 /8s, 158 /16s and 205 /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:                  136337
    Total LACNIC prefixes after maximum aggregation:              28943
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         134899
    Unique aggregates announced from the LACNIC address blocks:   49559
LACNIC Region origin ASes present in the Internet Routing Table:  11075
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2089
LACNIC Region transit ASes present in the Internet Routing Table:  2425
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8935
Number of LACNIC addresses announced to Internet:             177236320
    Equivalent to 10 /8s, 144 /16s and 105 /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:                  34440
    Total AfriNIC prefixes after maximum aggregation:              6201
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         45541
    Unique aggregates announced from the AfriNIC address blocks:  12985
AfriNIC Region origin ASes present in the Internet Routing Table:  1822
    AfriNIC Prefixes per ASN:                                     25.00
AfriNIC Region origin ASes announcing only one prefix:              603
AfriNIC Region transit ASes present in the Internet Routing Table:  361
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1193
Number of AfriNIC addresses announced to Internet:            106861056
    Equivalent to 6 /8s, 94 /16s and 146 /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        9859       8742      65  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4592        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3855       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3611       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3528        496     257  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2764        864     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2503      11259     577  KIXS-AS-KR Korea Telecom, KR

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        9713      11352    3431  AMAZON-02, US
   174        5245       6651     695  COGENT-174, US
 11492        4593        305     622  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
 22773        3622       3079     299  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3603       1320      75  SHAW, CA
 16625        3210       1377    2280  AKAMAI-AS, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2915       3629    1383  DNIC-ASBLK-00306-00371, US
396982        2763       3641     411  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        9045       1221    2300  TTNET, TR
 12479        7702       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3275        284    1599  M247, RO
 12389        2956       2302     896  ROSTELECOM-AS, RU
  8551        2653        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2516        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2466       1852      14  TE-AS TE-AS, EG
 34984        2387        366     581  TELLCOM-AS, TR

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       12356       3321     496  UNINET, MX
 10620        3525        496     892  Telmex Colombia S.A., CO
 13999        2513        342     658  Mega Cable, S.A. de C.V., MX
 11830        2001        369      64  Instituto Costarricense de Electricidad
 28573        1550       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 28202        1124         52       9  Rede Brasileira de Comunicacao SA, BR

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        1628        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1203         76      60  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         547         82       3  KENET-AS, KE
 15399         514         55      48  WANANCHI-, 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       12356       3321     496  UNINET, MX
  9808        9859       8742      65  CHINAMOBILE-CN China Mobile Communicati
 16509        9713      11352    3431  AMAZON-02, US
 47331        9045       1221    2300  TTNET, TR
 12479        7702       1714     147  UNI2-AS, ES
  7545        5655        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5245       6651     695  COGENT-174, US
  4538        5035       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4593        305     622  CABLEONE, US

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        9859         9794  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7702         7555  UNI2-AS, ES
 47331        9045         6745  TTNET, TR
 16509        9713         6282  AMAZON-02, US
  7545        5655         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035         4959  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4592         4567  FPT-AS-AP FPT Telecom Company, VN
   174        5245         4550  COGENT-174, US
  7155        4186         4088  VIASAT-SP-BACKBONE, 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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     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-DDOS-M
     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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             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
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

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

Unassigned Network     ASN Information  AS Name
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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     61302  HUIZE_TELECOM Huize Telecom, GB
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.0.192.0/22        Origin:    138415  HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22       Transit:     51847  NEAROUTE, HK

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       /9:13      /10:37      /11:93      /12:301     
/13:583     /14:1208    /15:2141    /16:13423   /17:8474    /18:14217   
/19:25515   /20:45600   /21:54033   /22:114762  /23:107704  /24:604182  
/25:1107    /26:1053    /27:1510    /28:165     /29:272     /30:109     
/31:113     /32:623     

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

   ASN  No of nets  Total ann.  Description
 47331        8155        9045  TTNET, TR
 12479        6816        7702  UNI2-AS, ES
  8151        6365       12356  UNINET, MX
 11492        3506        4593  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3400        3603  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 22773        2660        3622  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2149        2493  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2131        3525  Telmex Colombia S.A., CO

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

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

   1:2312      2:1663      3:318       4:22        5:4713      6:162    
   7:6         8:1635      9:2        11:172      12:1467     13:374    
  14:2455     15:318      16:210      17:373      18:751      20:378    
  21:4        22:188      23:6684     24:3035     25:2        27:2706   
  29:19       31:2807     32:62       34:64       35:126      36:2257   
  37:4633     38:8300     39:901      40:125      41:4658     42:2224   
  43:2391     44:320      45:18510    46:4509     47:303      49:1947   
  50:1925     51:577      52:1611     54:306      55:962      56:5      
  57:168      58:2121     59:1206     60:1027     61:2767     62:2837   
  63:1949     64:5752     65:2364     66:4884     67:3146     68:1358   
  69:4121     70:1387     71:583      72:2976     74:2607     75:1587   
  76:632      77:2564     78:4154     79:2513     80:2195     81:2183   
  82:1585     83:1368     84:1661     85:4040     86:930      87:2304   
  88:3035     89:4199     90:687      91:8193     92:2285     93:2671   
  94:3824     95:5394     96:1315     97:313      98:1046     99:743    
 100:111     101:1193    102:3530    103:32839   104:4825    105:2064   
 106:1006    107:2779    108:1127    109:4123    110:2177    111:3241   
 112:2095    113:1793    114:1796    115:2182    116:1910    117:2627   
 118:2868    119:2034    120:1818    121:1366    122:2830    123:2252   
 124:1682    125:2877    126:32      128:1559    129:1016    130:1136   
 131:2042    132:928     133:410     134:1740    135:356     136:950    
 137:1075    138:3195    139:1563    140:1385    141:1367    142:1614   
 143:1650    144:1017    145:347     146:2060    147:1746    148:2525   
 149:2653    150:1050    151:1359    152:1988    153:593     154:6399   
 155:1391    156:2278    157:1690    158:1117    159:2274    160:2705   
 161:1668    162:3636    163:1743    164:1711    165:2189    166:1072   
 167:1796    168:4284    169:825     170:5215    171:1034    172:3845   
 173:3082    174:912     175:1254    176:3843    177:6118    178:3724   
 179:2726    180:2448    181:3801    182:3386    183:2049    184:2280   
 185:21013   186:5554    187:5235    188:4247    189:4529    190:9667   
 191:2080    192:11054   193:9123    194:7633    195:5446    196:3702   
 197:2889    198:6072    199:7561    200:8612    201:6625    202:10862  
 203:10590   204:4629    205:3794    206:4556    207:3550    208:4195   
 209:5117    210:4798    211:2608    212:4404    213:3536    214:1087   
 215:50      216:6882    217:3053    218:1386    219:608     220:2118   
 221:1035    222:879     223:2241   

End of report


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