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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 30 22:41:18 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 30 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:                              1002176
    Prefixes after maximum aggregation (per Origin AS):          366778
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461277
Total ASes present in the Internet Routing Table:                 76001
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65086
Origin ASes announcing only one prefix:                           26004
Transit ASes present in the Internet Routing Table:               10915
Transit-only ASes present in the Internet Routing Table:            535
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1146
    Number of instances of unregistered ASNs:                      1149
Number of 32-bit ASNs allocated by the RIRs:                      44317
Number of 32-bit ASNs visible in the Routing Table:               36453
Prefixes from 32-bit ASNs in the Routing Table:                  196940
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:            658
Number of addresses announced to Internet:                   3030084276
    Equivalent to 180 /8s, 155 /16s and 106 /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:      342532

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

Prefixes being announced by APNIC Region ASes:                   261004
    Total APNIC prefixes after maximum aggregation:               74698
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          253019
    Unique aggregates announced from the APNIC address blocks:   100840
APNIC Region origin ASes present in the Internet Routing Table:   14201
    APNIC Prefixes per ASN:                                       17.82
APNIC Region origin ASes announcing only one prefix:               4259
APNIC Region transit ASes present in the Internet Routing Table:   1921
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9563
Number of APNIC addresses announced to Internet:              761791904
    Equivalent to 45 /8s, 104 /16s and 5 /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:                    284559
    Total ARIN prefixes after maximum aggregation:               126530
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289162
    Unique aggregates announced from the ARIN address blocks:    133416
ARIN Region origin ASes present in the Internet Routing Table:    19183
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                6943
ARIN Region transit ASes present in the Internet Routing Table:    1989
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:    4894
Number of ARIN addresses announced to Internet:              1268928578
    Equivalent to 75 /8s, 162 /16s and 80 /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:                    283714
    Total RIPE prefixes after maximum aggregation:               129523
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278176
    Unique aggregates announced from the RIPE address blocks:    163947
RIPE Region origin ASes present in the Internet Routing Table:    28716
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12108
RIPE Region transit ASes present in the Internet Routing Table:    4019
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11811
Number of RIPE addresses announced to Internet:               714825586
    Equivalent to 42 /8s, 155 /16s and 95 /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:                  136734
    Total LACNIC prefixes after maximum aggregation:              29032
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135151
    Unique aggregates announced from the LACNIC address blocks:   49547
LACNIC Region origin ASes present in the Internet Routing Table:  11097
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2080
LACNIC Region transit ASes present in the Internet Routing Table:  2426
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:  8972
Number of LACNIC addresses announced to Internet:             177325664
    Equivalent to 10 /8s, 145 /16s and 198 /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:                  35019
    Total AfriNIC prefixes after maximum aggregation:              6270
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         46009
    Unique aggregates announced from the AfriNIC address blocks:  13027
AfriNIC Region origin ASes present in the Internet Routing Table:  1851
    AfriNIC Prefixes per ASN:                                     24.86
AfriNIC Region origin ASes announcing only one prefix:              614
AfriNIC Region transit ASes present in the Internet Routing Table:  360
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1213
Number of AfriNIC addresses announced to Internet:            106881792
    Equivalent to 6 /8s, 94 /16s and 227 /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        5664        778     678  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4621        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3706        506     260  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3580       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3291       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2783        862     375  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        9790      11352    3530  AMAZON-02, US
   174        5390       6634     842  COGENT-174, US
 11492        4604        305     616  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3613       1320      79  SHAW, CA
 22773        3546       3042     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3200      54911    2452  DNIC-AS-00749, US
 16625        3093       1342    2237  AKAMAI-AS, US
   367        2834       3549    1355  DNIC-ASBLK-00306-00371, US
  7018        2790      23651    1781  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        7709       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3936       3396     150  AKAMAI-ASN1, NL
  9009        3304        286    1620  M247, RO
 12389        2769       2293     881  ROSTELECOM-AS, RU
  8551        2642        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2394        366     577  TELLCOM-AS, TR
  8452        1866       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       12342       3319     496  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        1315        788     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1168        175     433  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        1501        389      20  LINKdotNET-AS, EG
 36992        1370       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1207         77      56  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         552         82       3  KENET-AS, KE
 15399         537         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       12342       3319     496  UNINET, MX
  9808        9842       8743      67  CHINAMOBILE-CN China Mobile Communicati
 16509        9790      11352    3530  AMAZON-02, US
 47331        9090       1222    2216  TTNET, TR
 12479        7709       1708     144  UNI2-AS, ES
  7545        5664        778     678  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5390       6634     842  COGENT-174, US
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4621        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        7709         7565  UNI2-AS, ES
 47331        9090         6874  TTNET, TR
 16509        9790         6260  AMAZON-02, US
  7545        5664         4986  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        4621         4598  FPT-AS-AP FPT Telecom Company, VN
   174        5390         4548  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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, 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
23.189.192.0/24      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

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    /16:13413   /17:8504    /18:14214   
/19:25469   /20:45465   /21:54087   /22:115036  /23:107958  /24:608623  
/25:1103    /26:1073    /27:1515    /28:168     /29:293     /30:123     
/31:117     /32:617     

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

   ASN  No of nets  Total ann.  Description
 47331        8200        9090  TTNET, TR
 12479        6818        7709  UNI2-AS, ES
  8151        6365       12342  UNINET, MX
 11492        3513        4604  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3409        3613  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2635        3546  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2501  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      2:1708      3:333       4:22        5:4710      6:163    
   7:6         8:1615      9:1        11:172      12:1462     13:361    
  14:2460     15:318      16:210      17:373      18:766      20:382    
  21:4        22:188      23:6776     24:3121     25:2        27:2688   
  29:19       31:2696     32:60       34:63       35:133      36:2321   
  37:4602     38:8672     39:901      40:125      41:4720     42:2234   
  43:2425     44:320      45:18609    46:4578     47:312      49:1953   
  50:1927     51:577      52:1612     54:310      55:997      56:5      
  57:179      58:2135     59:1261     60:1032     61:2781     62:2839   
  63:1938     64:5735     65:2388     66:4833     67:3074     68:1368   
  69:4147     70:1387     71:588      72:2963     74:2636     75:1592   
  76:615      77:2621     78:4183     79:2545     80:2223     81:2184   
  82:1630     83:1409     84:1668     85:4082     86:952      87:2292   
  88:3063     89:4206     90:671      91:8251     92:2382     93:2705   
  94:3825     95:5385     96:1304     97:315      98:1061     99:742    
 100:92      101:1189    102:3710    103:32963   104:4830    105:2085   
 106:1011    107:2809    108:1124    109:4115    110:2179    111:3280   
 112:2093    113:1830    114:1792    115:2149    116:1914    117:2648   
 118:2872    119:2048    120:1799    121:1362    122:2805    123:2269   
 124:1702    125:2899    126:32      128:1560    129:1038    130:1187   
 131:2036    132:927     133:410     134:1739    135:363     136:962    
 137:1081    138:3206    139:1573    140:1400    141:1365    142:1621   
 143:1641    144:1005    145:360     146:2089    147:1886    148:2529   
 149:2759    150:1048    151:1367    152:2157    153:594     154:6847   
 155:1470    156:2518    157:1800    158:1157    159:2341    160:2752   
 161:1692    162:3591    163:1729    164:1712    165:2184    166:1175   
 167:1831    168:4229    169:829     170:5348    171:1028    172:3863   
 173:3071    174:900     175:1257    176:3800    177:6333    178:3869   
 179:2710    180:2451    181:3821    182:3415    183:2030    184:2299   
 185:21123   186:5667    187:5162    188:4272    189:4596    190:9786   
 191:2072    192:11035   193:9163    194:7673    195:5480    196:3333   
 197:2766    198:6100    199:7798    200:8613    201:6641    202:10851  
 203:10590   204:4646    205:3818    206:4566    207:3598    208:4203   
 209:5135    210:4810    211:2620    212:4392    213:3591    214:1061   
 215:50      216:6888    217:3202    218:1387    219:607     220:2054   
 221:1043    222:889     223:2247   

End of report


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