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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 18 22:41:45 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 18 May, 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:                              1007872
    Prefixes after maximum aggregation (per Origin AS):          367084
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462117
Total ASes present in the Internet Routing Table:                 76093
    Prefixes per ASN:                                             13.25
Origin-only ASes present in the Internet Routing Table:           65164
Origin ASes announcing only one prefix:                           26077
Transit ASes present in the Internet Routing Table:               10929
Transit-only ASes present in the Internet Routing Table:            526
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:                                      63
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1194
    Number of instances of unregistered ASNs:                      1197
Number of 32-bit ASNs allocated by the RIRs:                      44478
Number of 32-bit ASNs visible in the Routing Table:               36570
Prefixes from 32-bit ASNs in the Routing Table:                  197073
Number of bogon 32-bit ASNs visible in the Routing Table:           172
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            743
Number of addresses announced to Internet:                   3029517940
    Equivalent to 180 /8s, 146 /16s and 198 /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:      344765

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

Prefixes being announced by APNIC Region ASes:                   263736
    Total APNIC prefixes after maximum aggregation:               74722
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255717
    Unique aggregates announced from the APNIC address blocks:   101113
APNIC Region origin ASes present in the Internet Routing Table:   14266
    APNIC Prefixes per ASN:                                       17.92
APNIC Region origin ASes announcing only one prefix:               4277
APNIC Region transit ASes present in the Internet Routing Table:   1935
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9613
Number of APNIC addresses announced to Internet:              762171296
    Equivalent to 45 /8s, 109 /16s and 207 /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:                    286835
    Total ARIN prefixes after maximum aggregation:               126770
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           291375
    Unique aggregates announced from the ARIN address blocks:    133757
ARIN Region origin ASes present in the Internet Routing Table:    19209
    ARIN Prefixes per ASN:                                        15.17
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1984
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4918
Number of ARIN addresses announced to Internet:              1267966786
    Equivalent to 75 /8s, 147 /16s and 163 /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:                    285404
    Total RIPE prefixes after maximum aggregation:               129448
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           279323
    Unique aggregates announced from the RIPE address blocks:    164109
RIPE Region origin ASes present in the Internet Routing Table:    28726
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12098
RIPE Region transit ASes present in the Internet Routing Table:    4001
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11840
Number of RIPE addresses announced to Internet:               714608498
    Equivalent to 42 /8s, 152 /16s and 15 /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:                  135733
    Total LACNIC prefixes after maximum aggregation:              29128
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134149
    Unique aggregates announced from the LACNIC address blocks:   49498
LACNIC Region origin ASes present in the Internet Routing Table:  11080
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2132
LACNIC Region transit ASes present in the Internet Routing Table:  2470
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        63
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8979
Number of LACNIC addresses announced to Internet:             177004320
    Equivalent to 10 /8s, 140 /16s and 223 /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:                  34970
    Total AfriNIC prefixes after maximum aggregation:              6284
    AfriNIC Deaggregation factor:                                  5.56
Prefixes being announced from the AfriNIC address blocks:         46564
    Unique aggregates announced from the AfriNIC address blocks:  13105
AfriNIC Region origin ASes present in the Internet Routing Table:  1854
    AfriNIC Prefixes per ASN:                                     25.12
AfriNIC Region origin ASes announcing only one prefix:              617
AfriNIC Region transit ASes present in the Internet Routing Table:  353
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1220
Number of AfriNIC addresses announced to Internet:            107347200
    Equivalent to 6 /8s, 101 /16s and 253 /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        9848       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5637        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4541       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4421        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3909       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3734        508     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3606       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2795        864     379  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     581  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        9912      11374    3563  AMAZON-02, US
   174        5357       8782     873  COGENT-174, US
 11492        4615        306     603  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3597       1320      79  SHAW, CA
 22773        3549       3058     237  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3224      54904    2476  DNIC-AS-00749, US
 16625        3155       1342    2246  AKAMAI-AS, US
  7018        2817      23659    1775  ATT-INTERNET4, US
   367        2786       3442    1310  DNIC-ASBLK-00306-00371, 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        9141       1227    2136  TTNET, TR
 12479        7767       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3904       3396     152  AKAMAI-ASN1, NL
  9009        3363        293    1665  M247, RO
 12389        2989       2305     902  ROSTELECOM-AS, RU
  8551        2642        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2576       1852      14  TE-AS TE-AS, EG
  5384        2488        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2391        365     574  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       12209       3321     494  UNINET, MX
 10620        3511        492     939  Telmex Colombia S.A., CO
 13999        2540        353     664  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1557       2314     252  Claro NXT Telecomunicacoes Ltda, BR
  3816        1320        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1182        176     442  Techtel LMDS Comunicaciones Interactiva
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX

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        1634        314      37  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1373       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1201         77      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         547         82       3  KENET-AS, KE
 15399         531         56      56  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       12209       3321     494  UNINET, MX
 16509        9912      11374    3563  AMAZON-02, US
  9808        9848       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9141       1227    2136  TTNET, TR
 12479        7767       1708     145  UNI2-AS, ES
  7545        5637        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5357       8782     873  COGENT-174, US
  4538        5035       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4615        306     603  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        9848         9778  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7767         7622  UNI2-AS, ES
 47331        9141         7005  TTNET, TR
 16509        9912         6349  AMAZON-02, US
  7545        5637         4964  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035         4961  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4541         4496  VNPT-AS-VN VNPT Corp, VN
   174        5357         4484  COGENT-174, US
 18403        4421         4398  FPT-AS-AP FPT Telecom Company, VN

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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      3491  BTN-ASN, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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       /9:14      /10:37      /11:94      /12:297     
/13:583     /14:1197    /15:2123    /16:13418   /17:8519    /18:14727   
/19:25774   /20:45758   /21:54473   /22:115538  /23:108297  /24:610775  
/25:1123    /26:1100    /27:1606    /28:316     /29:523     /30:521     
/31:353     /32:689     

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

   ASN  No of nets  Total ann.  Description
 47331        8247        9141  TTNET, TR
 12479        6863        7767  UNI2-AS, ES
  8151        6233       12209  UNINET, MX
 11492        3524        4615  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3597  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2640        3549  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2155        2501  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2137        3511  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)
----------------------------------------------

   1:2316      2:1726      3:344       4:22        5:4757      6:164    
   7:6         8:1620      9:1        11:172      12:1458     13:360    
  14:2487     15:318      16:211      17:373      18:766      20:393    
  21:4        22:188      23:6809     24:3126     25:2        27:2634   
  29:19       31:2744     32:61       34:66       35:137      36:2330   
  37:4614     38:8738     39:903      40:125      41:4703     42:2180   
  43:2448     44:321      45:18449    46:4598     47:313      49:1968   
  50:1926     51:580      52:1611     54:313      55:998      56:5      
  57:187      58:2137     59:1271     60:1028     61:2816     62:2834   
  63:1933     64:5733     65:2390     66:4842     67:3070     68:1351   
  69:4161     70:1388     71:595      72:2949     74:2631     75:1596   
  76:623      77:2637     78:4185     79:2553     80:2228     81:2266   
  82:1677     83:1409     84:1667     85:4095     86:1008     87:2314   
  88:3111     89:4246     90:680      91:8292     92:2392     93:2726   
  94:3906     95:5450     96:1296     97:316      98:1052     99:742    
 100:90      101:1201    102:3759    103:33128   104:4821    105:2089   
 106:1019    107:2778    108:1161    109:4191    110:2183    111:3289   
 112:2114    113:1839    114:1807    115:2185    116:1921    117:2678   
 118:2849    119:2080    120:1798    121:1364    122:2843    123:2272   
 124:1706    125:2905    126:32      128:1554    129:1035    130:1193   
 131:2028    132:905     133:412     134:1742    135:365     136:1023   
 137:1081    138:3155    139:1570    140:1397    141:1358    142:1603   
 143:1649    144:1019    145:365     146:2103    147:1941    148:2544   
 149:2818    150:1051    151:1351    152:2178    153:595     154:6848   
 155:1464    156:2322    157:1820    158:1158    159:2348    160:2760   
 161:1721    162:3594    163:1769    164:1716    165:2187    166:1175   
 167:1825    168:4228    169:832     170:5356    171:1057    172:3881   
 173:3078    174:896     175:1258    176:3842    177:6299    178:3858   
 179:2692    180:2478    181:3836    182:3408    183:2012    184:2285   
 185:21153   186:5577    187:5162    188:4289    189:4559    190:9809   
 191:2077    192:11070   193:9188    194:7690    195:5504    196:3700   
 197:2889    198:6108    199:7878    200:8561    201:6528    202:10878  
 203:10696   204:4652    205:3812    206:4547    207:3656    208:4209   
 209:5142    210:4790    211:2672    212:4445    213:3594    214:1070   
 215:49      216:6947    217:3231    218:1369    219:614     220:2053   
 221:1045    222:978     223:2254   

End of report


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