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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 2 22:41:15 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 02 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:                              1001865
    Prefixes after maximum aggregation (per Origin AS):          366726
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461397
Total ASes present in the Internet Routing Table:                 75992
    Prefixes per ASN:                                             13.18
Origin-only ASes present in the Internet Routing Table:           65154
Origin ASes announcing only one prefix:                           26034
Transit ASes present in the Internet Routing Table:               10838
Transit-only ASes present in the Internet Routing Table:            534
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:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1141
    Number of instances of unregistered ASNs:                      1143
Number of 32-bit ASNs allocated by the RIRs:                      44352
Number of 32-bit ASNs visible in the Routing Table:               36464
Prefixes from 32-bit ASNs in the Routing Table:                  196834
Number of bogon 32-bit ASNs visible in the Routing Table:           169
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            667
Number of addresses announced to Internet:                   3029178292
    Equivalent to 180 /8s, 141 /16s and 151 /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:      342351

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

Prefixes being announced by APNIC Region ASes:                   260976
    Total APNIC prefixes after maximum aggregation:               74609
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          252968
    Unique aggregates announced from the APNIC address blocks:   100828
APNIC Region origin ASes present in the Internet Routing Table:   14204
    APNIC Prefixes per ASN:                                       17.81
APNIC Region origin ASes announcing only one prefix:               4278
APNIC Region transit ASes present in the Internet Routing Table:   1902
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9570
Number of APNIC addresses announced to Internet:              761733536
    Equivalent to 45 /8s, 103 /16s and 33 /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:                    284503
    Total ARIN prefixes after maximum aggregation:               126598
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289219
    Unique aggregates announced from the ARIN address blocks:    133532
ARIN Region origin ASes present in the Internet Routing Table:    19183
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    1961
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4898
Number of ARIN addresses announced to Internet:              1268239170
    Equivalent to 75 /8s, 151 /16s and 203 /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:                    283967
    Total RIPE prefixes after maximum aggregation:               129458
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278308
    Unique aggregates announced from the RIPE address blocks:    163994
RIPE Region origin ASes present in the Internet Routing Table:    28713
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12095
RIPE Region transit ASes present in the Internet Routing Table:    3984
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11808
Number of RIPE addresses announced to Internet:               714841970
    Equivalent to 42 /8s, 155 /16s and 159 /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:                  136409
    Total LACNIC prefixes after maximum aggregation:              29092
    LACNIC Deaggregation factor:                                   4.69
Prefixes being announced from the LACNIC address blocks:         134854
    Unique aggregates announced from the LACNIC address blocks:   49489
LACNIC Region origin ASes present in the Internet Routing Table:  11088
    LACNIC Prefixes per ASN:                                      12.16
LACNIC Region origin ASes announcing only one prefix:              2094
LACNIC Region transit ASes present in the Internet Routing Table:  2435
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8972
Number of LACNIC addresses announced to Internet:             177239392
    Equivalent to 10 /8s, 144 /16s and 117 /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:                  34869
    Total AfriNIC prefixes after maximum aggregation:              6250
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         45848
    Unique aggregates announced from the AfriNIC address blocks:  13053
AfriNIC Region origin ASes present in the Internet Routing Table:  1852
    AfriNIC Prefixes per ASN:                                     24.76
AfriNIC Region origin ASes announcing only one prefix:              619
AfriNIC Region transit ASes present in the Internet Routing Table:  363
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1216
Number of AfriNIC addresses announced to Internet:            106791680
    Equivalent to 6 /8s, 93 /16s and 131 /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        9843       8743      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5664        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4624        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3877       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3707        506     261  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3568       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3291       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2788        863     377  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2502      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        9810      11356    3514  AMAZON-02, US
   174        5417       6635     846  COGENT-174, US
 11492        4604        305     616  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3612       1320      79  SHAW, CA
 22773        3544       3058     236  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3227      54904    2479  DNIC-AS-00749, US
 16625        3154       1341    2238  AKAMAI-AS, US
   367        2828       3546    1355  DNIC-ASBLK-00306-00371, US
  7018        2797      23651    1783  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        9089       1222    2215  TTNET, TR
 12479        7712       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3929       3396     150  AKAMAI-ASN1, NL
  9009        3303        286    1619  M247, RO
 12389        2766       2294     882  ROSTELECOM-AS, RU
  8551        2641        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       12339       3319     497  UNINET, MX
 10620        3522        495     913  Telmex Colombia S.A., CO
 13999        2534        350     662  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1536       2303     301  Claro NXT Telecomunicacoes Ltda, BR
  3816        1315        788     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1170        175     433  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1129         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        1371       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         557       1861      35  IAM-AS, MA
 37342         512         32       1  MOVITEL, MZ
 15399         504         55      52  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       12339       3319     497  UNINET, MX
  9808        9843       8743      68  CHINAMOBILE-CN China Mobile Communicati
 16509        9810      11356    3514  AMAZON-02, US
 47331        9089       1222    2215  TTNET, TR
 12479        7712       1708     144  UNI2-AS, ES
  7545        5664        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5417       6635     846  COGENT-174, US
  4538        5037       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4624        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        9843         9775  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7712         7568  UNI2-AS, ES
 47331        9089         6874  TTNET, TR
 16509        9810         6296  AMAZON-02, US
  7545        5664         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037         4963  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4624         4601  FPT-AS-AP FPT Telecom Company, VN
   174        5417         4571  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               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
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      /12:299     
/13:583     /14:1210    /15:2138    /16:13406   /17:8500    /18:14216   
/19:25390   /20:45490   /21:54084   /22:115027  /23:107913  /24:608461  
/25:1097    /26:1063    /27:1514    /28:167     /29:281     /30:123     
/31:118     /32:622     

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

   ASN  No of nets  Total ann.  Description
 47331        8199        9089  TTNET, TR
 12479        6821        7712  UNI2-AS, ES
  8151        6361       12339  UNINET, MX
 11492        3513        4604  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3408        3612  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2636        3544  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2156        2503  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2135        3522  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      2:1713      3:334       4:22        5:4705      6:163    
   7:6         8:1610      9:1        11:172      12:1465     13:361    
  14:2461     15:318      16:210      17:373      18:768      20:383    
  21:4        22:188      23:6810     24:3118     25:2        27:2702   
  29:19       31:2688     32:60       34:64       35:134      36:2321   
  37:4602     38:8643     39:901      40:126      41:4673     42:2236   
  43:2427     44:321      45:18591    46:4569     47:311      49:1948   
  50:1930     51:577      52:1613     54:311      55:999      56:5      
  57:177      58:2134     59:1258     60:1035     61:2781     62:2840   
  63:1933     64:5731     65:2389     66:4843     67:3074     68:1350   
  69:4155     70:1387     71:591      72:2956     74:2634     75:1592   
  76:617      77:2627     78:4182     79:2542     80:2227     81:2187   
  82:1642     83:1407     84:1667     85:4089     86:949      87:2292   
  88:3060     89:4236     90:672      91:8268     92:2382     93:2707   
  94:3828     95:5383     96:1303     97:315      98:1059     99:741    
 100:90      101:1191    102:3689    103:32947   104:4868    105:2085   
 106:1007    107:2811    108:1128    109:4115    110:2181    111:3281   
 112:2096    113:1831    114:1793    115:2149    116:1915    117:2647   
 118:2872    119:2050    120:1797    121:1361    122:2808    123:2269   
 124:1701    125:2900    126:32      128:1557    129:1039    130:1190   
 131:2033    132:926     133:410     134:1741    135:362     136:962    
 137:1081    138:3198    139:1571    140:1402    141:1359    142:1621   
 143:1651    144:1006    145:362     146:2094    147:1890    148:2530   
 149:2755    150:1049    151:1365    152:2158    153:595     154:6866   
 155:1468    156:2505    157:1804    158:1155    159:2336    160:2760   
 161:1691    162:3591    163:1724    164:1712    165:2184    166:1179   
 167:1833    168:4216    169:829     170:5347    171:1025    172:3863   
 173:3079    174:898     175:1258    176:3803    177:6279    178:3869   
 179:2693    180:2451    181:3813    182:3415    183:2030    184:2291   
 185:21129   186:5665    187:5147    188:4275    189:4594    190:9779   
 191:2061    192:11038   193:9169    194:7678    195:5481    196:3312   
 197:2705    198:6099    199:7813    200:8566    201:6654    202:10852  
 203:10581   204:4641    205:3815    206:4568    207:3598    208:4198   
 209:5134    210:4811    211:2619    212:4392    213:3596    214:1064   
 215:49      216:6891    217:3233    218:1387    219:607     220:2056   
 221:1043    222:889     223:2247   

End of report


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