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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 21 22:41:29 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 21 Sep, 2023

  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:                              995259
    Prefixes after maximum aggregation (per Origin AS):          362083
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      455251
Total ASes present in the Internet Routing Table:                 75429
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           64724
Origin ASes announcing only one prefix:                           25841
Transit ASes present in the Internet Routing Table:               10705
Transit-only ASes present in the Internet Routing Table:            465
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:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1314
    Number of instances of unregistered ASNs:                      1316
Number of 32-bit ASNs allocated by the RIRs:                      42652
Number of 32-bit ASNs visible in the Routing Table:               35443
Prefixes from 32-bit ASNs in the Routing Table:                  187099
Number of bogon 32-bit ASNs visible in the Routing Table:           227
Special use prefixes present in the Routing Table:                   44
Prefixes being announced from unallocated address space:            727
Number of addresses announced to Internet:                   3063730826
    Equivalent to 182 /8s, 156 /16s and 210 /24s
    Percentage of available address space announced:               82.8
    Percentage of allocated address space announced:               82.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      341933

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

Prefixes being announced by APNIC Region ASes:                   259038
    Total APNIC prefixes after maximum aggregation:               72071
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          252391
    Unique aggregates announced from the APNIC address blocks:    99235
APNIC Region origin ASes present in the Internet Routing Table:   13788
    APNIC Prefixes per ASN:                                       18.31
APNIC Region origin ASes announcing only one prefix:               4025
APNIC Region transit ASes present in the Internet Routing Table:   1864
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9084
Number of APNIC addresses announced to Internet:              775287360
    Equivalent to 46 /8s, 53 /16s and 242 /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:                    285874
    Total ARIN prefixes after maximum aggregation:               126513
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288282
    Unique aggregates announced from the ARIN address blocks:    132343
ARIN Region origin ASes present in the Internet Routing Table:    19203
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                6945
ARIN Region transit ASes present in the Internet Routing Table:    1956
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4862
Number of ARIN addresses announced to Internet:              1280846912
    Equivalent to 76 /8s, 88 /16s and 44 /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, 393216-401308
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:                    284243
    Total RIPE prefixes after maximum aggregation:               127824
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           279208
    Unique aggregates announced from the RIPE address blocks:    160978
RIPE Region origin ASes present in the Internet Routing Table:    28630
    RIPE Prefixes per ASN:                                         9.75
RIPE Region origin ASes announcing only one prefix:               12049
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11453
Number of RIPE addresses announced to Internet:               720189150
    Equivalent to 42 /8s, 237 /16s and 54 /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:                  130262
    Total LACNIC prefixes after maximum aggregation:              28806
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         129494
    Unique aggregates announced from the LACNIC address blocks:   49276
LACNIC Region origin ASes present in the Internet Routing Table:  11085
    LACNIC Prefixes per ASN:                                      11.68
LACNIC Region origin ASes announcing only one prefix:              2236
LACNIC Region transit ASes present in the Internet Routing Table:  2381
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8894
Number of LACNIC addresses announced to Internet:             178878496
    Equivalent to 10 /8s, 169 /16s and 120 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  34528
    Total AfriNIC prefixes after maximum aggregation:              6043
    AfriNIC Deaggregation factor:                                  5.71
Prefixes being announced from the AfriNIC address blocks:         45156
    Unique aggregates announced from the AfriNIC address blocks:  12799
AfriNIC Region origin ASes present in the Internet Routing Table:  1810
    AfriNIC Prefixes per ASN:                                     24.95
AfriNIC Region origin ASes announcing only one prefix:              586
AfriNIC Region transit ASes present in the Internet Routing Table:  340
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150
Number of AfriNIC addresses announced to Internet:            107965184
    Equivalent to 6 /8s, 111 /16s and 107 /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        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4298        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3764       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3157        498     255  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2534        850     382  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      11270     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        9238      11019    3189  AMAZON-02, US
 11492        4551        302     623  CABLEONE, US
  7155        4185        289     103  VIASAT-SP-BACKBONE, US
   174        3896       6657     620  COGENT-174, US
 22773        3700       3079     321  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3539       1319      66  SHAW, CA
 16625        3222       1552    2372  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3072       3860    1467  DNIC-ASBLK-00306-00371, US
396982        2698       3597     390  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        8561       1171    3000  TTNET, TR
 12479        7442       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4199       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2997       2296     921  ROSTELECOM-AS, RU
  9009        2779        257    1414  M247, RO
  8452        2503       1852      16  TE-AS TE-AS, EG
  5384        2471        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2385        366     584  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       11962       3370     606  UNINET, MX
 10620        3551        508     836  Telmex Colombia S.A., CO
 13999        2478        366     640  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1329       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1310        775     173  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 28202        1090         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        1885        319      45  Telkom-Internet, ZA
 24863        1620        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1365       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         965        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         536         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       11962       3370     606  UNINET, MX
  9808        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9238      11019    3189  AMAZON-02, US
 47331        8561       1171    3000  TTNET, TR
 12479        7442       1713     145  UNI2-AS, ES
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4551        302     623  CABLEONE, US
 18403        4298        347      25  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        9699         9600  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7442         7297  UNI2-AS, ES
 16509        9238         6049  AMAZON-02, US
 47331        8561         5561  TTNET, TR
  7545        5751         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046         4971  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4298         4273  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4082  VIASAT-SP-BACKBONE, US
 20940        4199         4014  AKAMAI-ASN1, NL

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, 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
100.64.192.0/19           52971  MICKS TELECOM EIRELI, BR
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2159    /16:13762   /17:8612    /18:14859   
/19:25981   /20:46342   /21:55385   /22:115983  /23:109144  /24:597786  
/25:480     /26:626     /27:1034    /28:77      /29:102     /30:26      
/31:22      /32:617     

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

   ASN  No of nets  Total ann.  Description
 47331        7680        8561  TTNET, TR
 12479        6528        7442  UNI2-AS, ES
  8151        5933       11962  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3460        4551  CABLEONE, US
  6327        3351        3539  SHAW, CA
  7155        3130        4185  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2736        3700  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2176        2520  MEDIACOM-ENTERPRISE-BUSINESS, US

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

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2277      2:1598      3:264       4:8         5:4803      6:139    
   7:6         8:1635      9:1        11:172      12:1532     13:387    
  14:2432     15:305      16:199      17:384      18:658      20:309    
  21:4        22:188      23:6593     24:3078     25:6        27:2682   
  29:19       31:2699     32:97       34:27       35:120      36:2023   
  37:4766     38:6572     39:879      40:148      41:4895     42:2108   
  43:2492     44:333      45:18018    46:4556     47:395      49:1849   
  50:1931     51:599      52:1635     54:400      55:982      56:8      
  57:133      58:1983     59:1210     60:1011     61:2741     62:2874   
  63:1978     64:5941     65:2437     66:5229     67:3128     68:1368   
  69:4237     70:1414     71:704      72:3095     74:2715     75:1620   
  76:635      77:2603     78:4041     79:3049     80:2206     81:2119   
  82:1602     83:1369     84:1598     85:3951     86:882      87:2300   
  88:2889     89:4029     90:629      91:8073     92:2188     93:2688   
  94:3784     95:5157     96:1347     97:322      98:1140     99:736    
 100:123     101:1371    102:3456    103:33193   104:4811    105:2003   
 106:971     107:2725    108:1167    109:4382    110:2204    111:3200   
 112:2152    113:1826    114:1695    115:2165    116:1972    117:2634   
 118:2774    119:2094    120:1880    121:1242    122:2781    123:2286   
 124:1671    125:2614    128:1606    129:1148    130:1103    131:2130   
 132:981     133:408     134:1808    135:355     136:993     137:996    
 138:2872    139:1697    140:1313    141:1363    142:1548    143:1655   
 144:1031    145:354     146:2040    147:1645    148:2536    149:2349   
 150:921     151:1257    152:2008    153:594     154:5572    155:1436   
 156:2024    157:1387    158:1105    159:2271    160:2749    161:1636   
 162:3622    163:1691    164:1785    165:1954    166:1108    167:1781   
 168:4128    169:961     170:5012    171:969     172:3814    173:3050   
 174:1012    175:1269    176:3995    177:5616    178:3647    179:2506   
 180:2673    181:3657    182:3467    183:2056    184:2337    185:21185  
 186:5182    187:4658    188:4392    189:4220    190:9571    191:1893   
 192:11184   193:9122    194:7639    195:5547    196:3681    197:3053   
 198:6125    199:6240    200:8376    201:6326    202:11115   203:10653  
 204:4667    205:3805    206:4490    207:3592    208:4311    209:5062   
 210:4756    211:2641    212:4446    213:3778    214:1136    215:60     
 216:6993    217:3056    218:1337    219:620     220:2048    221:996    
 222:869     223:2202   

End of report


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