[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 23 22:41:42 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 23 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:                              1008987
    Prefixes after maximum aggregation (per Origin AS):          367224
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462620
Total ASes present in the Internet Routing Table:                 76095
    Prefixes per ASN:                                             13.26
Origin-only ASes present in the Internet Routing Table:           65134
Origin ASes announcing only one prefix:                           26073
Transit ASes present in the Internet Routing Table:               10961
Transit-only ASes present in the Internet Routing Table:            525
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:                                      61
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1424
    Number of instances of unregistered ASNs:                      1428
Number of 32-bit ASNs allocated by the RIRs:                      44529
Number of 32-bit ASNs visible in the Routing Table:               36595
Prefixes from 32-bit ASNs in the Routing Table:                  197522
Number of bogon 32-bit ASNs visible in the Routing Table:           173
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            957
Number of addresses announced to Internet:                   3030503796
    Equivalent to 180 /8s, 161 /16s and 209 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      345143

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

Prefixes being announced by APNIC Region ASes:                   263905
    Total APNIC prefixes after maximum aggregation:               74827
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255809
    Unique aggregates announced from the APNIC address blocks:   101208
APNIC Region origin ASes present in the Internet Routing Table:   14271
    APNIC Prefixes per ASN:                                       17.93
APNIC Region origin ASes announcing only one prefix:               4284
APNIC Region transit ASes present in the Internet Routing Table:   1934
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9616
Number of APNIC addresses announced to Internet:              762420640
    Equivalent to 45 /8s, 113 /16s and 157 /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:                    286985
    Total ARIN prefixes after maximum aggregation:               126586
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291585
    Unique aggregates announced from the ARIN address blocks:    133730
ARIN Region origin ASes present in the Internet Routing Table:    19210
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                6958
ARIN Region transit ASes present in the Internet Routing Table:    2006
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4919
Number of ARIN addresses announced to Internet:              1268270658
    Equivalent to 75 /8s, 152 /16s and 70 /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:                    285984
    Total RIPE prefixes after maximum aggregation:               129667
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279727
    Unique aggregates announced from the RIPE address blocks:    164377
RIPE Region origin ASes present in the Internet Routing Table:    28717
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12083
RIPE Region transit ASes present in the Internet Routing Table:    4011
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          40
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11850
Number of RIPE addresses announced to Internet:               714894194
    Equivalent to 42 /8s, 156 /16s and 107 /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:                  135952
    Total LACNIC prefixes after maximum aggregation:              29145
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134360
    Unique aggregates announced from the LACNIC address blocks:   49660
LACNIC Region origin ASes present in the Internet Routing Table:  11099
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2138
LACNIC Region transit ASes present in the Internet Routing Table:  2460
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        61
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8995
Number of LACNIC addresses announced to Internet:             177127968
    Equivalent to 10 /8s, 142 /16s and 194 /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:                  34737
    Total AfriNIC prefixes after maximum aggregation:              6261
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         46548
    Unique aggregates announced from the AfriNIC address blocks:  13104
AfriNIC Region origin ASes present in the Internet Routing Table:  1847
    AfriNIC Prefixes per ASN:                                     25.20
AfriNIC Region origin ASes announcing only one prefix:              610
AfriNIC Region transit ASes present in the Internet Routing Table:  356
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215
Number of AfriNIC addresses announced to Internet:            107319552
    Equivalent to 6 /8s, 101 /16s and 145 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808        9848       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4539       1893      44  VNPT-AS-VN VNPT Corp, VN
 18403        4442        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3927       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3743        508     265  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3645       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2794        863     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     583  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        9957      11385    3529  AMAZON-02, US
   174        5323       8782     869  COGENT-174, US
 11492        4620        306     598  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3551       3062     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3224      54904    2476  DNIC-AS-00749, US
 16625        3158       1351    2253  AKAMAI-AS, US
  7018        2833      23660    1785  ATT-INTERNET4, US
   367        2783       3433    1301  DNIC-ASBLK-00306-00371, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9146       1227    2116  TTNET, TR
 12479        7758       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3903       3396     152  AKAMAI-ASN1, NL
  9009        3512        300    1750  M247, RO
 12389        2990       2305     902  ROSTELECOM-AS, RU
  8551        2638        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2578       1852      14  TE-AS TE-AS, EG
  5384        2487        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2386        365     573  TELLCOM-AS, TR

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12205       3318     497  UNINET, MX
 10620        3508        492     940  Telmex Colombia S.A., CO
 13999        2543        353     666  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1557       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1188        177     440  Techtel LMDS Comunicaciones Interactiva
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX
 28202        1120         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        1635        314      37  Telkom-Internet, ZA
 24835        1547        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1378       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1208         77      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         548         82       3  KENET-AS, KE
 15399         530         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       12205       3318     497  UNINET, MX
 16509        9957      11385    3529  AMAZON-02, US
  9808        9848       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9146       1227    2116  TTNET, TR
 12479        7758       1708     145  UNI2-AS, ES
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5323       8782     869  COGENT-174, US
  4538        5035       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4620        306     598  CABLEONE, US

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9848         9778  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7758         7613  UNI2-AS, ES
 47331        9146         7030  TTNET, TR
 16509        9957         6428  AMAZON-02, US
  7545        5637         4963  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035         4961  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4539         4495  VNPT-AS-VN VNPT Corp, VN
   174        5323         4454  COGENT-174, US
 18403        4442         4419  FPT-AS-AP FPT Telecom Company, VN

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     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:      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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:93      /12:298     
/13:582     /14:1197    /15:2129    /16:13428   /17:8536    /18:14737   
/19:25795   /20:45797   /21:54489   /22:115605  /23:108570  /24:611418  
/25:1134    /26:1100    /27:1605    /28:313     /29:520     /30:518     
/31:353     /32:702     

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

   ASN  No of nets  Total ann.  Description
 47331        8252        9146  TTNET, TR
 12479        6852        7758  UNI2-AS, ES
  8151        6237       12205  UNINET, MX
 11492        3529        4620  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2640        3551  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2167        2513  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2137        3508  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)
----------------------------------------------

   1:2330      2:1725      3:350       4:22        5:4755      6:162    
   7:6         8:1622      9:1        11:172      12:1469     13:357    
  14:2488     15:319      16:211      17:372      18:767      20:396    
  21:4        22:188      23:6818     24:3128     25:2        27:2605   
  29:19       31:2736     32:61       34:66       35:137      36:2328   
  37:4632     38:8787     39:903      40:125      41:4675     42:2170   
  43:2444     44:321      45:18512    46:4604     47:311      49:1970   
  50:1936     51:584      52:1619     54:313      55:999      56:5      
  57:187      58:2137     59:1268     60:1029     61:2803     62:2835   
  63:1926     64:5738     65:2395     66:4849     67:3075     68:1351   
  69:4153     70:1386     71:596      72:2953     74:2628     75:1589   
  76:622      77:2629     78:4184     79:2546     80:2227     81:2266   
  82:1696     83:1417     84:1676     85:4096     86:1008     87:2323   
  88:3112     89:4250     90:686      91:8276     92:2398     93:2741   
  94:3920     95:5447     96:1291     97:314      98:1051     99:742    
 100:91      101:1201    102:3860    103:33111   104:4829    105:2090   
 106:1022    107:2789    108:1157    109:4223    110:2192    111:3289   
 112:2111    113:1836    114:1809    115:2171    116:1921    117:2675   
 118:2874    119:2082    120:1807    121:1373    122:2840    123:2268   
 124:1713    125:2909    126:32      128:1546    129:1037    130:1194   
 131:2017    132:927     133:412     134:1748    135:364     136:1060   
 137:1079    138:3144    139:1557    140:1403    141:1355    142:1601   
 143:1716    144:1019    145:367     146:2111    147:1960    148:2547   
 149:2818    150:1050    151:1352    152:2178    153:594     154:6970   
 155:1470    156:2325    157:1833    158:1161    159:2348    160:2768   
 161:1722    162:3587    163:1771    164:1716    165:2193    166:1182   
 167:1822    168:4249    169:839     170:5356    171:1065    172:3885   
 173:3083    174:897     175:1277    176:3856    177:6314    178:3868   
 179:2689    180:2455    181:3831    182:3414    183:2019    184:2287   
 185:21177   186:5593    187:5186    188:4350    189:4579    190:9805   
 191:2115    192:11078   193:9186    194:7688    195:5490    196:3718   
 197:2864    198:6103    199:7883    200:8588    201:6518    202:10846  
 203:10649   204:4659    205:3679    206:4549    207:3657    208:4218   
 209:5122    210:4807    211:2673    212:4432    213:3607    214:1070   
 215:48      216:6952    217:3190    218:1369    219:614     220:2052   
 221:1045    222:985     223:2249   

End of report


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