[lacnog] Weekly Global IPv4 Routing Table Report

Routing Table Analysis Role Account cscora en apnic.net
Vie Jul 5 15:02:18 -03 2024


This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats en lists.apnic.net.

For historical data, please see https://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.

IPv4 Routing Table Report   04:00 +10GMT Sat 06 Jul, 2024

  BGP Table (Global) as seen in Japan.

Report Website:     https://thyme.apnic.net
Detailed Analysis:  https://thyme.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              954498
    Prefixes after maximum aggregation (per Origin AS):          363493
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      465244
Total ASes present in the Internet Routing Table:                 75923
    Prefixes per ASN:                                             12.57
Origin-only ASes present in the Internet Routing Table:           65017
Origin ASes announcing only one prefix:                           26718
Transit ASes present in the Internet Routing Table:               10906
Transit-only ASes present in the Internet Routing Table:            527
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      84
    Max AS path prepend of ASN (152107)                              80
Prefixes from unregistered ASNs in the Routing Table:               996
    Number of instances of unregistered ASNs:                      1025
Number of 32-bit ASNs allocated by the RIRs:                      44958
Number of 32-bit ASNs visible in the Routing Table:               36675
Prefixes from 32-bit ASNs in the Routing Table:                  188566
Number of bogon 32-bit ASNs visible in the Routing Table:            70
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            549
Number of addresses announced to Internet:                   3025337344
    Equivalent to 180 /8s, 82 /16s and 252 /24s
    Percentage of available address space announced:               81.7
    Percentage of allocated address space announced:               81.7
    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:      312322

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

Prefixes being announced by APNIC Region ASes:                   255683
    Total APNIC prefixes after maximum aggregation:               74352
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          247539
    Unique aggregates announced from the APNIC address blocks:   101221
APNIC Region origin ASes present in the Internet Routing Table:   14230
    APNIC Prefixes per ASN:                                       17.40
APNIC Region origin ASes announcing only one prefix:               4324
APNIC Region transit ASes present in the Internet Routing Table:   1917
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         84
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9634
Number of APNIC addresses announced to Internet:              761683456
    Equivalent to 45 /8s, 102 /16s and 94 /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:                    278001
    Total ARIN prefixes after maximum aggregation:               125434
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:           282470
    Unique aggregates announced from the ARIN address blocks:    134834
ARIN Region origin ASes present in the Internet Routing Table:    19142
    ARIN Prefixes per ASN:                                        14.76
ARIN Region origin ASes announcing only one prefix:                6959
ARIN Region transit ASes present in the Internet Routing Table:    1995
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4931
Number of ARIN addresses announced to Internet:              1266810880
    Equivalent to 75 /8s, 130 /16s and 0 /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:                    266299
    Total RIPE prefixes after maximum aggregation:               127586
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           261188
    Unique aggregates announced from the RIPE address blocks:    165203
RIPE Region origin ASes present in the Internet Routing Table:    28661
    RIPE Prefixes per ASN:                                         9.11
RIPE Region origin ASes announcing only one prefix:               12128
RIPE Region transit ASes present in the Internet Routing Table:    3986
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          41
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11881
Number of RIPE addresses announced to Internet:               713553920
    Equivalent to 42 /8s, 135 /16s and 248 /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:                  121893
    Total LACNIC prefixes after maximum aggregation:              29241
    LACNIC Deaggregation factor:                                   4.17
Prefixes being announced from the LACNIC address blocks:         119968
    Unique aggregates announced from the LACNIC address blocks:   49875
LACNIC Region origin ASes present in the Internet Routing Table:  11123
    LACNIC Prefixes per ASN:                                      10.79
LACNIC Region origin ASes announcing only one prefix:              2640
LACNIC Region transit ASes present in the Internet Routing Table:  2447
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        60
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9011
Number of LACNIC addresses announced to Internet:             177200128
    Equivalent to 10 /8s, 143 /16s and 220 /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:                  31626
    Total AfriNIC prefixes after maximum aggregation:              6226
    AfriNIC Deaggregation factor:                                  5.08
Prefixes being announced from the AfriNIC address blocks:         42784
    Unique aggregates announced from the AfriNIC address blocks:  13665
AfriNIC Region origin ASes present in the Internet Routing Table:  1852
    AfriNIC Prefixes per ASN:                                     23.10
AfriNIC Region origin ASes announcing only one prefix:              667
AfriNIC Region transit ASes present in the Internet Routing Table:  362
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1218
Number of AfriNIC addresses announced to Internet:            105725184
    Equivalent to 6 /8s, 77 /16s and 61 /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        9841       8746      77  CHINAMOBILE-CN China Mobile Communicati
  7545        5653        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4933       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4205        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3960       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3785        511     265  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3621       1036      71  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3264       1841     105  VNPT-AS-VN VNPT Corp, VN
 24560        2823        862     399  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2285      11523     579  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10112      11533    3649  AMAZON-02, US
 11492        4641        308     547  CABLEONE, US
  7155        4166        287      88  VIASAT-SP-BACKBONE, US
   174        3711       8791     885  COGENT-174, US
  6327        3594       1320      78  SHAW, CA
 22773        3426       3035     189  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54899    2507  DNIC-AS-00749, US
 16625        3124       1315    2194  AKAMAI-AS, US
  7018        2910      23669    1830  ATT-INTERNET4, US
396982        2769       3611     416  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7716       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3821       3396     134  AKAMAI-ASN1, NL
  9009        3594        306    1818  M247, RO
 12389        2946       2302     890  ROSTELECOM-AS, RU
 34984        2347        361     579  TELLCOM-AS, TR
  8551        1767        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238        1706        123    1239  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA
  8452        1572       1852      14  TE-AS TE-AS, EG

Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11864       3312     501  UNINET, MX
 10620        3519        492     935  Telmex Colombia S.A., CO
 13999        2551        356     685  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1343       2311     258  Claro NXT Telecomunicacoes Ltda, BR
  3816        1324        781     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1128        314     478  Axtel, S.A.B. de C.V., MX
  6147        1092        369      22  Telefonica del Peru S.A.A., PE
 26615        1081       2503      53  TIM SA, BR
 22884        1060         97     365  TOTAL PLAY TELECOMUNICACIONES SA DE CV,

Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1622        389      16  LINKdotNET-AS, EG
 24835        1570        593      29  RAYA-AS, EG
 36992        1381       1520     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1239         79      75  ORANGE-COTE-IVOIRE, CI
 36935         940        521      43  Vodafone-, EG
  6713         555       1861      35  IAM-AS, MA
 15399         518         56      57  WANANCHI-, KE
 36914         493         82       3  KENET-AS, KE
 37054         432        115       8  Telecom-Malagasy, MG

Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11864       3312     501  UNINET, MX
 16509       10112      11533    3649  AMAZON-02, US
  9808        9841       8746      77  CHINAMOBILE-CN China Mobile Communicati
 12479        7716       1708     145  UNI2-AS, ES
  7545        5653        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4933       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4641        308     547  CABLEONE, US
 18403        4205        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4166        287      88  VIASAT-SP-BACKBONE, US

Complete listing at https://thyme.apnic.net/current/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9841         9764  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7716         7571  UNI2-AS, ES
 16509       10112         6463  AMAZON-02, US
  7545        5653         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4933         4859  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4205         4182  FPT-AS-AP FPT Telecom Company, VN
 11492        4641         4094  CABLEONE, US
  7155        4166         4078  VIASAT-SP-BACKBONE, US
  7552        3960         3939  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://thyme.apnic.net/current/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     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
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

Complete listing at https://thyme.apnic.net/current/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://thyme.apnic.net/current/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
23.170.224.0/24      Origin:     30168  RESERVED, ZZ
23.170.224.0/24     Transit:    397095  SETSONLLC, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://thyme.apnic.net/current/data-add-IANA

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:92      /12:294     
/13:573     /14:1168    /15:2060    /16:13256   /17:8257    /18:13762   
/19:24701   /20:44299   /21:51900   /22:111615  /23:99989   /24:581769  
/25:696     /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6800        7716  UNI2-AS, ES
  8151        5945       11864  UNINET, MX
 11492        3548        4641  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3391        3594  SHAW, CA
  7155        3111        4166  VIASAT-SP-BACKBONE, US
 22773        2561        3426  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2493  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2148        3519  Telmex Colombia S.A., CO
 16509        2133       10112  AMAZON-02, US

Complete listing at https://thyme.apnic.net/current/data-sXXas-nos

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

   1:2341      2:1544      3:365       4:6         5:4366      6:162    
   7:6         8:1516      9:1        11:172      12:1438     13:358    
  14:2401     15:318      16:219      17:375      18:771      20:387    
  21:4        22:188      23:6897     24:2708     25:2        27:2565   
  29:19       31:2596     32:48       34:63       35:135      36:2335   
  37:4467     38:7995     39:900      40:144      41:4044     42:1990   
  43:2377     44:323      45:17372    46:4499     47:300      49:1981   
  50:1892     51:581      52:1580     54:314      55:922      56:8      
  57:215      58:2166     59:1252     60:1042     61:2608     62:2764   
  63:1877     64:5491     65:2305     66:4620     67:2996     68:1303   
  69:4059     70:1166     71:573      72:2876     74:2601     75:1552   
  76:624      77:2498     78:1863     79:1780     80:2198     81:2026   
  82:1638     83:1367     84:1683     85:3173     86:914      87:2299   
  88:1241     89:4174     90:685      91:8162     92:2345     93:2706   
  94:3733     95:4204     96:1278     97:317      98:1024     99:739    
 100:73      101:1173    102:3507    103:32255   104:4809    105:701    
 106:1000    107:2480    108:1152    109:4038    110:2126    111:3262   
 112:2054    113:1825    114:1824    115:2084    116:1968    117:2657   
 118:2796    119:1983    120:1806    121:1364    122:2703    123:2312   
 124:1628    125:2872    126:32      128:1447    129:929     130:1175   
 131:1869    132:799     133:414     134:1730    135:319     136:1122   
 137:1085    138:2870    139:1520    140:1407    141:1373    142:1673   
 143:1555    144:1021    145:371     146:2093    147:2005    148:2524   
 149:2757    150:1035    151:1363    152:2229    153:521     154:7042   
 155:1490    156:2322    157:1878    158:1165    159:2320    160:2769   
 161:1692    162:3541    163:1705    164:1672    165:2126    166:1280   
 167:1811    168:4049    169:797     170:4953    171:1048    172:3886   
 173:3056    174:892     175:1231    176:3443    177:4729    178:3666   
 179:2215    180:2415    181:3788    182:3345    183:1979    184:2261   
 185:20901   186:4962    187:4372    188:4070    189:4158    190:9469   
 191:1486    192:11063   193:9158    194:7514    195:5311    196:3187   
 197:2643    198:6058    199:7975    200:8135    201:6307    202:10516  
 203:10283   204:4580    205:3694    206:4491    207:3610    208:4156   
 209:5046    210:4650    211:2624    212:4360    213:3579    214:1055   
 215:49      216:6743    217:3062    218:1364    219:583     220:2023   
 221:1037    222:853     223:2254   

End of report


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