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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jun 13 22:41:29 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 13 Jun, 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:                              1001189
    Prefixes after maximum aggregation (per Origin AS):          367653
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      465436
Total ASes present in the Internet Routing Table:                 76028
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           65349
Origin ASes announcing only one prefix:                           26106
Transit ASes present in the Internet Routing Table:               10679
Transit-only ASes present in the Internet Routing Table:            514
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1141
    Number of instances of unregistered ASNs:                      1170
Number of 32-bit ASNs allocated by the RIRs:                      44738
Number of 32-bit ASNs visible in the Routing Table:               36637
Prefixes from 32-bit ASNs in the Routing Table:                  197614
Number of bogon 32-bit ASNs visible in the Routing Table:           225
Special use prefixes present in the Routing Table:                   46
Prefixes being announced from unallocated address space:            729
Number of addresses announced to Internet:                   3027407732
    Equivalent to 180 /8s, 114 /16s and 147 /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:      341837

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

Prefixes being announced by APNIC Region ASes:                   259442
    Total APNIC prefixes after maximum aggregation:               74714
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          251505
    Unique aggregates announced from the APNIC address blocks:   101381
APNIC Region origin ASes present in the Internet Routing Table:   14245
    APNIC Prefixes per ASN:                                       17.66
APNIC Region origin ASes announcing only one prefix:               4288
APNIC Region transit ASes present in the Internet Routing Table:   1890
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9631
Number of APNIC addresses announced to Internet:              761909920
    Equivalent to 45 /8s, 105 /16s and 210 /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:                    287479
    Total ARIN prefixes after maximum aggregation:               127097
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           291647
    Unique aggregates announced from the ARIN address blocks:    134794
ARIN Region origin ASes present in the Internet Routing Table:    19161
    ARIN Prefixes per ASN:                                        15.22
ARIN Region origin ASes announcing only one prefix:                6939
ARIN Region transit ASes present in the Internet Routing Table:    1906
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4930
Number of ARIN addresses announced to Internet:              1267329090
    Equivalent to 75 /8s, 137 /16s and 232 /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:                    282182
    Total RIPE prefixes after maximum aggregation:               129865
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           276861
    Unique aggregates announced from the RIPE address blocks:    164956
RIPE Region origin ASes present in the Internet Routing Table:    28744
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12110
RIPE Region transit ASes present in the Internet Routing Table:    3945
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          50
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11868
Number of RIPE addresses announced to Internet:               713689458
    Equivalent to 42 /8s, 138 /16s and 9 /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:                  135711
    Total LACNIC prefixes after maximum aggregation:              28895
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         133925
    Unique aggregates announced from the LACNIC address blocks:   50207
LACNIC Region origin ASes present in the Internet Routing Table:  11101
    LACNIC Prefixes per ASN:                                      12.06
LACNIC Region origin ASes announcing only one prefix:              2152
LACNIC Region transit ASes present in the Internet Routing Table:  2420
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        61
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8991
Number of LACNIC addresses announced to Internet:             176685856
    Equivalent to 10 /8s, 136 /16s and 3 /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:                  35234
    Total AfriNIC prefixes after maximum aggregation:              6366
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         46521
    Unique aggregates announced from the AfriNIC address blocks:  13560
AfriNIC Region origin ASes present in the Internet Routing Table:  1855
    AfriNIC Prefixes per ASN:                                     25.08
AfriNIC Region origin ASes announcing only one prefix:              617
AfriNIC Region transit ASes present in the Internet Routing Table:  354
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1217
Number of AfriNIC addresses announced to Internet:            107384320
    Equivalent to 6 /8s, 102 /16s and 142 /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       8744      73  CHINAMOBILE-CN China Mobile Communicati
  7545        5641        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4204        347      23  UNASSIGNED
  7552        3945       1331      21  UNASSIGNED
  9498        3779        510     262  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3615       1043      64  UNASSIGNED
 45899        3278       1857     104  UNASSIGNED
 24560        2823        863     400  UNASSIGNED
  4766        2471      11522     579  UNASSIGNED

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       10076      11414    3567  AMAZON-02, US
   174        5406       8780     873  COGENT-174, US
 11492        4639        308     550  CABLEONE, US
  7155        4166        287      88  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3563       3058     244  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54901    2506  UNASSIGNED
 16625        3178       1360    2249  AKAMAI-AS, US
  7018        2877      23667    1809  ATT-INTERNET4, US
396982        2765       3634     412  GOOGLE-CLOUD-PLATFORM, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9189       1233    2066  TTNET, TR
 12479        7732       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3905       3396     153  AKAMAI-ASN1, NL
  9009        3598        306    1817  M247, RO
 12389        2988       2304     898  ROSTELECOM-AS, RU
 34984        2391        364     568  TELLCOM-AS, TR
  8452        1844       1852      14  TE-AS TE-AS, EG
  8551        1770        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238        1686        123    1226  CDNEXT, GB

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       12113       3304     513  UNINET, MX
 10620        3515        492     936  Telmex Colombia S.A., CO
 13999        2544        353     671  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1551       2311     258  Claro NXT Telecomunicacoes Ltda, BR
  3816        1322        784     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664        1245        278      33  Techtel LMDS Comunicaciones Interactiva
  6503        1128        314     478  Axtel, S.A.B. de C.V., MX
 28202        1117         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1092        369      22  Telefonica del Peru S.A.A., PE

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        314      37  Telkom-Internet, ZA
 24863        1612        389      16  LINKdotNET-AS, EG
 24835        1570        593      29  RAYA-AS, EG
 36992        1380       1520     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1216         77      75  ORANGE-COTE-IVOIRE, CI
 36935         940        521      43  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         550         82       3  KENET-AS, KE
 15399         528         55      55  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       12113       3304     513  UNINET, MX
 16509       10076      11414    3567  AMAZON-02, US
  9808        9843       8744      73  CHINAMOBILE-CN China Mobile Communicati
 47331        9189       1233    2066  TTNET, TR
 12479        7732       1708     145  UNI2-AS, ES
  7545        5641        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5406       8780     873  COGENT-174, US
  4538        5004       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4639        308     550  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        9843         9770  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7732         7587  UNI2-AS, ES
 47331        9189         7123  TTNET, TR
 16509       10076         6509  AMAZON-02, US
  7545        5641         4969  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004         4930  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5406         4533  COGENT-174, US
 18403        4204         4181  UNASSIGNED
 11492        4639         4089  CABLEONE, 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
     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
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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  UNASSIGNED
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.167.48.0/24       Origin:     23379  UNASSIGNED
23.167.48.0/24      Transit:       174  COGENT-174, US
23.170.224.0/24      Origin:     30168  UNASSIGNED
23.170.224.0/24     Transit:    397095  SETSONLLC, 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      /11:93      /12:298     
/13:580     /14:1194    /15:2120    /16:13361   /17:8385    /18:14189   
/19:25273   /20:45386   /21:53920   /22:114660  /23:107269  /24:607946  
/25:1123    /26:1080    /27:1630    /28:312     /29:523     /30:515     
/31:352     /32:912     

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

   ASN  No of nets  Total ann.  Description
 47331        8293        9189  TTNET, TR
 12479        6820        7732  UNI2-AS, ES
  8151        6180       12113  UNINET, MX
 11492        3546        4639  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3111        4166  VIASAT-SP-BACKBONE, US
 22773        2663        3563  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2166        2509  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2144        3515  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)
----------------------------------------------

   1:2326      2:1671      3:349       4:22        5:4656      6:160    
   7:6         8:1631      9:1        11:172      12:1460     13:358    
  14:2457     15:316      16:217      17:370      18:774      20:394    
  21:4        22:188      23:6893     24:3109     25:2        27:2640   
  29:19       31:2634     32:61       34:66       35:133      36:2337   
  37:4586     38:8970     39:899      40:142      41:4669     42:2046   
  43:2415     44:327      45:18538    46:4600     47:304      49:1976   
  50:1903     51:583      52:1615     54:315      55:888      56:7      
  57:209      58:2156     59:1265     60:1034     61:2673     62:2841   
  63:1921     64:5690     65:2363     66:4763     67:3064     68:1341   
  69:4170     70:1381     71:582      72:2961     74:2639     75:1582   
  76:625      77:2638     78:4194     79:1809     80:2220     81:2187   
  82:1705     83:1398     84:1691     85:4097     86:928      87:2345   
  88:3118     89:4276     90:679      91:8292     92:2331     93:2733   
  94:3830     95:5445     96:1278     97:316      98:1057     99:740    
 100:90      101:1180    102:3932    103:32690   104:4824    105:2093   
 106:1001    107:2662    108:1161    109:4096    110:2153    111:3275   
 112:2088    113:1814    114:1830    115:2156    116:1912    117:2659   
 118:2811    119:2017    120:1810    121:1391    122:2707    123:2266   
 124:1676    125:2887    126:32      128:1533    129:1015    130:1209   
 131:2034    132:926     133:412     134:1741    135:365     136:1124   
 137:1092    138:3151    139:1542    140:1387    141:1369    142:1685   
 143:1739    144:1017    145:374     146:2124    147:1995    148:2547   
 149:2840    150:1043    151:1357    152:2250    153:594     154:7203   
 155:1511    156:2311    157:1888    158:1163    159:2328    160:2828   
 161:1722    162:3605    163:1727    164:1723    165:2204    166:1281   
 167:1831    168:4295    169:823     170:5335    171:1051    172:3887   
 173:3099    174:897     175:1252    176:3616    177:6336    178:3827   
 179:2691    180:2453    181:3837    182:3368    183:1984    184:2286   
 185:21170   186:5509    187:5166    188:4285    189:4633    190:9694   
 191:2082    192:11079   193:9208    194:7629    195:5492    196:3365   
 197:2825    198:6130    199:7966    200:8617    201:6600    202:10713  
 203:10331   204:4649    205:3722    206:4535    207:3668    208:4215   
 209:5138    210:4788    211:2632    212:4441    213:3627    214:1068   
 215:48      216:6894    217:3081    218:1362    219:581     220:2035   
 221:1041    222:863     223:2248   

End of report


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