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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 29 22:41:04 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 29 Apr, 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:                              1002549
    Prefixes after maximum aggregation (per Origin AS):          366872
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461142
Total ASes present in the Internet Routing Table:                 76006
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65090
Origin ASes announcing only one prefix:                           26007
Transit ASes present in the Internet Routing Table:               10916
Transit-only ASes present in the Internet Routing Table:            536
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1139
    Number of instances of unregistered ASNs:                      1143
Number of 32-bit ASNs allocated by the RIRs:                      44317
Number of 32-bit ASNs visible in the Routing Table:               36459
Prefixes from 32-bit ASNs in the Routing Table:                  197228
Number of bogon 32-bit ASNs visible in the Routing Table:           174
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            648
Number of addresses announced to Internet:                   3030071988
    Equivalent to 180 /8s, 155 /16s and 58 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      342829

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

Prefixes being announced by APNIC Region ASes:                   260917
    Total APNIC prefixes after maximum aggregation:               74701
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          252889
    Unique aggregates announced from the APNIC address blocks:   100708
APNIC Region origin ASes present in the Internet Routing Table:   14201
    APNIC Prefixes per ASN:                                       17.81
APNIC Region origin ASes announcing only one prefix:               4263
APNIC Region transit ASes present in the Internet Routing Table:   1919
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9560
Number of APNIC addresses announced to Internet:              761770656
    Equivalent to 45 /8s, 103 /16s and 178 /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:                    284748
    Total ARIN prefixes after maximum aggregation:               126600
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289419
    Unique aggregates announced from the ARIN address blocks:    133455
ARIN Region origin ASes present in the Internet Routing Table:    19188
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6947
ARIN Region transit ASes present in the Internet Routing Table:    1988
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4899
Number of ARIN addresses announced to Internet:              1268947778
    Equivalent to 75 /8s, 162 /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:                    283881
    Total RIPE prefixes after maximum aggregation:               129547
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278338
    Unique aggregates announced from the RIPE address blocks:    163936
RIPE Region origin ASes present in the Internet Routing Table:    28722
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12105
RIPE Region transit ASes present in the Internet Routing Table:    4015
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11811
Number of RIPE addresses announced to Internet:               715012978
    Equivalent to 42 /8s, 158 /16s and 59 /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:                  136908
    Total LACNIC prefixes after maximum aggregation:              29032
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135282
    Unique aggregates announced from the LACNIC address blocks:   49499
LACNIC Region origin ASes present in the Internet Routing Table:  11096
    LACNIC Prefixes per ASN:                                      12.19
LACNIC Region origin ASes announcing only one prefix:              2081
LACNIC Region transit ASes present in the Internet Routing Table:  2433
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8975
Number of LACNIC addresses announced to Internet:             177223264
    Equivalent to 10 /8s, 144 /16s and 54 /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:                  34956
    Total AfriNIC prefixes after maximum aggregation:              6273
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         45972
    Unique aggregates announced from the AfriNIC address blocks:  13050
AfriNIC Region origin ASes present in the Internet Routing Table:  1848
    AfriNIC Prefixes per ASN:                                     24.88
AfriNIC Region origin ASes announcing only one prefix:              611
AfriNIC Region transit ASes present in the Internet Routing Table:  358
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214
Number of AfriNIC addresses announced to Internet:            106791936
    Equivalent to 6 /8s, 93 /16s and 132 /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        9842       8743      67  CHINAMOBILE-CN China Mobile Communicati
  7545        5671        778     678  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4620        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3610        500     257  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3593       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3291       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2783        863     373  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2491      11524     587  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        9787      11352    3528  AMAZON-02, US
   174        5380       6634     838  COGENT-174, US
 11492        4604        305     616  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3547       3044     240  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3200      54911    2452  DNIC-AS-00749, US
 16625        3168       1347    2247  AKAMAI-AS, US
   367        2818       3533    1350  DNIC-ASBLK-00306-00371, US
  7018        2795      23652    1787  ATT-INTERNET4, 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        9090       1222    2216  TTNET, TR
 12479        7713       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3937       3396     150  AKAMAI-ASN1, NL
  9009        3304        286    1620  M247, RO
 12389        2767       2293     881  ROSTELECOM-AS, RU
  8551        2641        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2392        366     575  TELLCOM-AS, TR
  8452        1864       1852      14  TE-AS TE-AS, EG

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       12378       3311     490  UNINET, MX
 10620        3521        495     912  Telmex Colombia S.A., CO
 13999        2541        351     662  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1554       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1314        788     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1166        176     434  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1122         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        1636        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1370       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1205         76      64  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         549         82       3  KENET-AS, KE
 15399         533         55      53  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       12378       3311     490  UNINET, MX
  9808        9842       8743      67  CHINAMOBILE-CN China Mobile Communicati
 16509        9787      11352    3528  AMAZON-02, US
 47331        9090       1222    2216  TTNET, TR
 12479        7713       1708     144  UNI2-AS, ES
  7545        5671        778     678  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5380       6634     838  COGENT-174, US
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4620        347      23  FPT-AS-AP FPT Telecom Company, VN

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        9842         9775  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7713         7569  UNI2-AS, ES
 47331        9090         6874  TTNET, TR
 16509        9787         6259  AMAZON-02, US
  7545        5671         4993  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007         4933  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4620         4597  FPT-AS-AP FPT Telecom Company, VN
   174        5380         4542  COGENT-174, US
  7155        4175         4084  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              3356  LEVEL3, 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            46887  CROWNCASTLE-AS46887, 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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22       Transit:      3491  BTN-ASN, US
27.0.192.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR

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       /9:14      /10:37      /11:95      /12:300     
/13:583     /14:1210    /15:2142    /16:13412   /17:8504    /18:14213   
/19:25480   /20:45476   /21:54094   /22:115077  /23:108025  /24:608859  
/25:1101    /26:1075    /27:1514    /28:168     /29:293     /30:123     
/31:117     /32:620     

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

   ASN  No of nets  Total ann.  Description
 47331        8200        9090  TTNET, TR
 12479        6823        7713  UNI2-AS, ES
  8151        6409       12378  UNINET, MX
 11492        3513        4604  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2635        3547  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2500  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2134        3521  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)
----------------------------------------------

   1:2337      2:1712      3:331       4:22        5:4715      6:163    
   7:6         8:1615      9:1        11:172      12:1465     13:361    
  14:2449     15:318      16:209      17:373      18:764      20:382    
  21:4        22:188      23:6814     24:3122     25:2        27:2688   
  29:19       31:2780     32:60       34:64       35:132      36:2326   
  37:4608     38:8662     39:901      40:125      41:4701     42:2233   
  43:2433     44:321      45:18632    46:4586     47:312      49:1954   
  50:1948     51:577      52:1612     54:310      55:996      56:5      
  57:179      58:2134     59:1263     60:1032     61:2781     62:2840   
  63:1939     64:5735     65:2391     66:4834     67:3076     68:1365   
  69:4147     70:1388     71:588      72:2967     74:2637     75:1592   
  76:615      77:2623     78:4181     79:2543     80:2222     81:2180   
  82:1631     83:1410     84:1666     85:4089     86:952      87:2290   
  88:3064     89:4238     90:672      91:8261     92:2383     93:2705   
  94:3831     95:5382     96:1306     97:315      98:1059     99:742    
 100:92      101:1197    102:3699    103:32991   104:4876    105:2085   
 106:1007    107:2814    108:1124    109:4116    110:2185    111:3276   
 112:2093    113:1830    114:1791    115:2147    116:1914    117:2646   
 118:2873    119:2048    120:1798    121:1360    122:2799    123:2270   
 124:1702    125:2899    126:32      128:1566    129:1038    130:1181   
 131:2035    132:927     133:410     134:1739    135:363     136:959    
 137:1082    138:3208    139:1571    140:1394    141:1365    142:1620   
 143:1640    144:1005    145:361     146:2091    147:1885    148:2531   
 149:2771    150:1048    151:1367    152:2060    153:594     154:6842   
 155:1475    156:2543    157:1797    158:1155    159:2342    160:2751   
 161:1690    162:3592    163:1725    164:1709    165:2186    166:1177   
 167:1828    168:4213    169:831     170:5362    171:1030    172:3859   
 173:3086    174:900     175:1256    176:3801    177:6354    178:3871   
 179:2714    180:2449    181:3813    182:3414    183:2030    184:2294   
 185:21112   186:5667    187:5200    188:4277    189:4609    190:9785   
 191:2072    192:11033   193:9165    194:7674    195:5468    196:3336   
 197:2760    198:6109    199:7792    200:8610    201:6619    202:10848  
 203:10585   204:4644    205:3827    206:4565    207:3601    208:4202   
 209:5137    210:4792    211:2613    212:4389    213:3601    214:1067   
 215:50      216:6895    217:3203    218:1387    219:607     220:2058   
 221:1043    222:889     223:2246   

End of report


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