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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 3 22:41:50 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 03 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:                              1002206
    Prefixes after maximum aggregation (per Origin AS):          366904
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461508
Total ASes present in the Internet Routing Table:                 76003
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65261
Origin ASes announcing only one prefix:                           25995
Transit ASes present in the Internet Routing Table:               10742
Transit-only ASes present in the Internet Routing Table:            527
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1201
    Number of instances of unregistered ASNs:                      1205
Number of 32-bit ASNs allocated by the RIRs:                      44363
Number of 32-bit ASNs visible in the Routing Table:               36464
Prefixes from 32-bit ASNs in the Routing Table:                  196985
Number of bogon 32-bit ASNs visible in the Routing Table:           175
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            666
Number of addresses announced to Internet:                   3029492660
    Equivalent to 180 /8s, 146 /16s and 99 /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:      342608

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

Prefixes being announced by APNIC Region ASes:                   260950
    Total APNIC prefixes after maximum aggregation:               74665
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          252937
    Unique aggregates announced from the APNIC address blocks:   100814
APNIC Region origin ASes present in the Internet Routing Table:   14214
    APNIC Prefixes per ASN:                                       17.79
APNIC Region origin ASes announcing only one prefix:               4277
APNIC Region transit ASes present in the Internet Routing Table:   1899
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9573
Number of APNIC addresses announced to Internet:              761745056
    Equivalent to 45 /8s, 103 /16s and 78 /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:                    284806
    Total ARIN prefixes after maximum aggregation:               126571
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289284
    Unique aggregates announced from the ARIN address blocks:    133586
ARIN Region origin ASes present in the Internet Routing Table:    19187
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6941
ARIN Region transit ASes present in the Internet Routing Table:    1958
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4901
Number of ARIN addresses announced to Internet:              1268326978
    Equivalent to 75 /8s, 153 /16s and 34 /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:                    283914
    Total RIPE prefixes after maximum aggregation:               129514
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278543
    Unique aggregates announced from the RIPE address blocks:    163996
RIPE Region origin ASes present in the Internet Routing Table:    28700
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12075
RIPE Region transit ASes present in the Internet Routing Table:    3926
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11801
Number of RIPE addresses announced to Internet:               714906994
    Equivalent to 42 /8s, 156 /16s and 157 /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:                  136320
    Total LACNIC prefixes after maximum aggregation:              29106
    LACNIC Deaggregation factor:                                   4.68
Prefixes being announced from the LACNIC address blocks:         134768
    Unique aggregates announced from the LACNIC address blocks:   49534
LACNIC Region origin ASes present in the Internet Routing Table:  11095
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2094
LACNIC Region transit ASes present in the Internet Routing Table:  2422
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8980
Number of LACNIC addresses announced to Internet:             177289056
    Equivalent to 10 /8s, 145 /16s and 55 /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:                  35015
    Total AfriNIC prefixes after maximum aggregation:              6268
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         46007
    Unique aggregates announced from the AfriNIC address blocks:  13078
AfriNIC Region origin ASes present in the Internet Routing Table:  1847
    AfriNIC Prefixes per ASN:                                     24.91
AfriNIC Region origin ASes announcing only one prefix:              608
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1209
Number of AfriNIC addresses announced to Internet:            106892288
    Equivalent to 6 /8s, 95 /16s and 12 /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        5663        777     676  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5023       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4633        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3880       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3707        506     261  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3558       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        2501      11524     588  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        9808      11355    3513  AMAZON-02, US
   174        5433       6635     846  COGENT-174, US
 11492        4605        305     617  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3611       1320      79  SHAW, CA
 22773        3544       3042     238  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3227      54904    2479  DNIC-AS-00749, US
 16625        3153       1341    2238  AKAMAI-AS, US
   367        2808       3543    1344  DNIC-ASBLK-00306-00371, US
  7018        2795      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        9093       1223    2212  TTNET, TR
 12479        7712       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3925       3396     150  AKAMAI-ASN1, NL
  9009        3307        286    1623  M247, RO
 12389        2990       2305     902  ROSTELECOM-AS, RU
  8551        2640        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2490        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       12242       3319     497  UNINET, MX
 10620        3523        495     914  Telmex Colombia S.A., CO
 13999        2538        351     663  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1537       2304     302  Claro NXT Telecomunicacoes Ltda, BR
  3816        1315        788     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1171        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        1198         77      59  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         538         82       3  KENET-AS, KE
 15399         532         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       12242       3319     497  UNINET, MX
  9808        9843       8743      68  CHINAMOBILE-CN China Mobile Communicati
 16509        9808      11355    3513  AMAZON-02, US
 47331        9093       1223    2212  TTNET, TR
 12479        7712       1708     144  UNI2-AS, ES
  7545        5663        777     676  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5433       6635     846  COGENT-174, US
  4538        5023       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4633        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        9093         6881  TTNET, TR
 16509        9808         6295  AMAZON-02, US
  7545        5663         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5023         4949  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4633         4610  FPT-AS-AP FPT Telecom Company, VN
   174        5433         4587  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            65512  -Private Use AS-, ZZ
     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     /14:1208    /15:2138    /16:13410   /17:8504    /18:14217   
/19:25393   /20:45492   /21:54071   /22:115029  /23:107914  /24:608807  
/25:1097    /26:1063    /27:1514    /28:167     /29:281     /30:123     
/31:118     /32:615     

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

   ASN  No of nets  Total ann.  Description
 47331        8202        9093  TTNET, TR
 12479        6821        7712  UNI2-AS, ES
  8151        6278       12242  UNINET, MX
 11492        3514        4605  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3407        3611  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2634        3544  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2157        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2136        3523  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)
----------------------------------------------

   1:2339      2:1709      3:334       4:22        5:4722      6:163    
   7:6         8:1611      9:1        11:172      12:1463     13:361    
  14:2459     15:318      16:210      17:373      18:765      20:383    
  21:4        22:188      23:6811     24:3117     25:2        27:2652   
  29:19       31:2722     32:60       34:63       35:135      36:2321   
  37:4604     38:8653     39:903      40:125      41:4723     42:2243   
  43:2425     44:321      45:18606    46:4573     47:312      49:1955   
  50:1931     51:577      52:1614     54:311      55:1000     56:5      
  57:177      58:2134     59:1260     60:1034     61:2780     62:2836   
  63:1940     64:5727     65:2389     66:4845     67:3074     68:1349   
  69:4149     70:1388     71:591      72:2957     74:2634     75:1592   
  76:617      77:2628     78:4182     79:2541     80:2227     81:2182   
  82:1646     83:1407     84:1666     85:4088     86:948      87:2293   
  88:3063     89:4237     90:672      91:8275     92:2381     93:2713   
  94:3876     95:5416     96:1304     97:315      98:1058     99:741    
 100:90      101:1191    102:3692    103:32965   104:4871    105:2085   
 106:1004    107:2800    108:1159    109:4170    110:2177    111:3281   
 112:2095    113:1833    114:1792    115:2149    116:1911    117:2651   
 118:2871    119:2049    120:1797    121:1361    122:2808    123:2256   
 124:1702    125:2901    126:32      128:1558    129:1040    130:1192   
 131:2031    132:926     133:410     134:1741    135:362     136:962    
 137:1079    138:3194    139:1571    140:1399    141:1359    142:1624   
 143:1648    144:1006    145:363     146:2094    147:1889    148:2525   
 149:2796    150:1046    151:1365    152:2158    153:595     154:6869   
 155:1466    156:2511    157:1810    158:1154    159:2336    160:2760   
 161:1693    162:3589    163:1723    164:1710    165:2183    166:1179   
 167:1831    168:4232    169:829     170:5360    171:1028    172:3864   
 173:3082    174:899     175:1257    176:3801    177:6297    178:3866   
 179:2684    180:2452    181:3808    182:3414    183:2030    184:2298   
 185:21131   186:5643    187:5103    188:4280    189:4571    190:9795   
 191:2078    192:11038   193:9173    194:7681    195:5480    196:3333   
 197:2741    198:6100    199:7827    200:8556    201:6638    202:10853  
 203:10578   204:4644    205:3801    206:4565    207:3598    208:4199   
 209:5134    210:4812    211:2619    212:4425    213:3589    214:1054   
 215:49      216:6887    217:3244    218:1387    219:607     220:2056   
 221:1043    222:889     223:2247   

End of report


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